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Wetlands also play a key biological role by removing pollutants from water .
TQA:T_1210_3
2
play
true
play
[ "what", "does", "something", "play", "_", "_", "_", "?" ]
[ "a key biological role" ]
[ [ 3, 7 ] ]
Wetlands also play a key biological role by removing pollutants from water .
TQA:T_1210_3
2
play
true
play
[ "what", "_", "_", "plays", "something", "_", "_", "?" ]
[ "Wetlands" ]
[ [ 0, 1 ] ]
Wetlands also play a key biological role by removing pollutants from water .
TQA:T_1210_3
8
removing
true
remove
[ "what", "is", "_", "removed", "_", "_", "_", "?" ]
[ "pollutants" ]
[ [ 9, 10 ] ]
Wetlands also play a key biological role by removing pollutants from water .
TQA:T_1210_3
8
removing
true
remove
[ "what", "is", "_", "removing", "something", "_", "_", "?" ]
[ "Wetlands" ]
[ [ 0, 1 ] ]
Wetlands also play a key biological role by removing pollutants from water .
TQA:T_1210_3
8
removing
true
remove
[ "where", "is", "something", "removed", "_", "_", "_", "?" ]
[ "Wetlands", "from water" ]
[ [ 0, 1 ], [ 10, 12 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
11
washed
true
wash
[ "what", "is", "_", "washed", "_", "off", "_", "?" ]
[ "washed", "fertilizer" ]
[ [ 11, 12 ], [ 8, 9 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
11
washed
true
wash
[ "where", "is", "something", "washed", "_", "off", "_", "?" ]
[ "a farmers field", "farmers field", "fertilizer" ]
[ [ 13, 16 ], [ 14, 16 ], [ 22, 23 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
20
prevent
true
prevent
[ "what", "does", "something", "prevent", "_", "from", "doing something", "?" ]
[ "fertilizer from contaminating another body of water", "fertilizer" ]
[ [ 22, 29 ], [ 22, 23 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
20
prevent
true
prevent
[ "what", "does", "something", "prevent", "something", "from", "doing", "?" ]
[ "contaminating another body of water" ]
[ [ 24, 29 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
20
prevent
true
prevent
[ "what", "_", "_", "prevents", "something", "from", "doing something", "?" ]
[ "they" ]
[ [ 19, 20 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
24
contaminating
true
contaminate
[ "what", "was", "_", "contaminated", "_", "_", "_", "?" ]
[ "another body of water" ]
[ [ 25, 29 ] ]
For example , they can trap and use fertilizer that has washed off a farmers field , and therefore they prevent that fertilizer from contaminating another body of water .
TQA:T_1210_4
24
contaminating
true
contaminate
[ "what", "was", "_", "contaminating", "something", "_", "_", "?" ]
[ "fertilizer" ]
[ [ 22, 23 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
3
purify
true
purify
[ "what", "does", "something", "purify", "_", "_", "_", "?" ]
[ "water" ]
[ [ 4, 5 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
3
purify
true
purify
[ "what", "_", "_", "purifies", "something", "_", "_", "?" ]
[ "wetlands" ]
[ [ 1, 2 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
3
purify
true
purify
[ "where", "does", "something", "purify", "something", "_", "_", "?" ]
[ "preserving wetlands", "wetlands" ]
[ [ 6, 8 ], [ 7, 8 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
3
purify
true
purify
[ "why", "does", "something", "purify", "something", "_", "_", "?" ]
[ "to maintain clean supplies of water", "also helps to maintain clean supplies of water" ]
[ [ 10, 16 ], [ 8, 16 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
6
preserving
true
preserve
[ "what", "is", "_", "preserved", "_", "_", "_", "?" ]
[ "wetlands", "wetlands" ]
[ [ 1, 2 ], [ 7, 8 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
6
preserving
true
preserve
[ "why", "is", "something", "preserved", "_", "_", "_", "?" ]
[ "helps to maintain clean supplies of water", "naturally purify water", "maintain clean supplies of water" ]
[ [ 9, 16 ], [ 2, 5 ], [ 11, 16 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
9
helps
true
help
[ "what", "does", "something", "help", "_", "_", "_", "?" ]
[ "to maintain clean supplies of water", "maintain clean supplies of water" ]
[ [ 10, 16 ], [ 11, 16 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
9
helps
true
help
[ "what", "_", "_", "helps", "something", "_", "_", "?" ]
[ "preserving wetlands" ]
[ [ 6, 8 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
11
maintain
true
maintain
[ "how", "does", "something", "maintain", "something", "_", "_", "?" ]
[ "naturally purify water", "Since wetlands naturally purify water", "wetlands naturally purify water" ]
[ [ 2, 5 ], [ 0, 5 ], [ 1, 5 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
11
maintain
true
maintain
[ "what", "does", "something", "maintain", "_", "_", "_", "?" ]
[ "clean supplies of water" ]
[ [ 12, 16 ] ]
Since wetlands naturally purify water , preserving wetlands also helps to maintain clean supplies of water .
TQA:T_1210_5
11
maintain
true
maintain
[ "what", "_", "_", "maintains", "something", "_", "_", "?" ]
[ "preserving wetlands", "wetlands" ]
[ [ 6, 8 ], [ 1, 2 ] ]
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars .
TQA:T_1211_0
9
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "Galaxies" ]
[ [ 0, 1 ] ]
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars .
TQA:T_1211_0
9
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "a few million stars to many billions of stars", "anywhere from a few million stars to many billions of stars" ]
[ [ 12, 21 ], [ 10, 21 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
13
shown
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "the Andromeda Galaxy" ]
[ [ 9, 12 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
13
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "Figure 1.1", "in Figure 1.1" ]
[ [ 15, 17 ], [ 14, 17 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
13
shown
true
show
[ "who", "is", "_", "shown", "_", "_", "_", "?" ]
[ "the naked eye" ]
[ [ 1, 4 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
17
looks
true
look
[ "what", "does", "something", "look", "_", "_", "_", "?" ]
[ "like only a dim , fuzzy spot" ]
[ [ 18, 25 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
17
looks
true
look
[ "what", "_", "_", "looks", "something", "_", "_", "?" ]
[ "the Andromeda Galaxy" ]
[ [ 9, 12 ] ]
To the naked eye , the closest major galaxy the Andromeda Galaxy , shown in Figure 1.1 looks like only a dim , fuzzy spot .
TQA:T_1211_2
17
looks
true
look
[ "when", "does", "something", "look", "something", "_", "_", "?" ]
[ "To the naked eye" ]
[ [ 0, 4 ] ]
But that fuzzy spot contains one trillion 1,000,000,000,000 stars !
TQA:T_1211_3
4
contains
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "fuzzy spot", "that fuzzy spot" ]
[ [ 2, 4 ], [ 1, 4 ] ]
But that fuzzy spot contains one trillion 1,000,000,000,000 stars !
TQA:T_1211_3
4
contains
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "1,000,000,000,000 stars", "one trillion 1,000,000,000,000 stars" ]
[ [ 7, 9 ], [ 5, 9 ] ]
Galaxies are divided into three types according to shape : spiral galaxies , elliptical galaxies , and irregular galaxies .
TQA:T_1211_4
2
divided
true
divide
[ "how", "is", "something", "divided", "_", "into", "something", "?" ]
[ "according to shape" ]
[ [ 6, 9 ] ]
Galaxies are divided into three types according to shape : spiral galaxies , elliptical galaxies , and irregular galaxies .
TQA:T_1211_4
2
divided
true
divide
[ "what", "is", "_", "divided", "_", "_", "_", "?" ]
[ "Galaxies" ]
[ [ 0, 1 ] ]
Galaxies are divided into three types according to shape : spiral galaxies , elliptical galaxies , and irregular galaxies .
TQA:T_1211_4
2
divided
true
divide
[ "what", "is", "something", "divided", "_", "into", "_", "?" ]
[ "elliptical galaxies", "three types", "spiral galaxies", "irregular galaxies" ]
[ [ 13, 15 ], [ 4, 6 ], [ 10, 12 ], [ 17, 19 ] ]
Galaxies are divided into three types according to shape : spiral galaxies , elliptical galaxies , and irregular galaxies .
TQA:T_1211_4
6
according
true
accord
[ "what", "might", "_", "accorded", "_", "_", "_", "?" ]
[ "Galaxies", "three types", "types" ]
[ [ 0, 1 ], [ 4, 6 ], [ 5, 6 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
2
spin
true
spin
[ "what", "_", "_", "spins", "_", "_", "_", "?" ]
[ "Spiral galaxies", "galaxies" ]
[ [ 0, 2 ], [ 1, 2 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
6
appear
true
appear
[ "what", "_", "_", "appears", "_", "as", "something", "?" ]
[ "Spiral galaxies", "they" ]
[ [ 0, 2 ], [ 5, 6 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
6
appear
true
appear
[ "what", "does", "something", "appear", "_", "as", "_", "?" ]
[ "as a rotating disk of stars and dust", "a rotating disk of stars and dust" ]
[ [ 7, 15 ], [ 8, 15 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
9
rotating
true
rotate
[ "what", "is", "_", "rotating", "_", "as", "something", "?" ]
[ "Spiral galaxies", "they" ]
[ [ 0, 2 ], [ 5, 6 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
9
rotating
true
rotate
[ "what", "is", "something", "rotating", "_", "as", "_", "?" ]
[ "disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy", "disk of stars and dust , with a bulge in the middle" ]
[ [ 10, 27 ], [ 10, 22 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
9
rotating
true
rotate
[ "why", "is", "something", "rotating", "_", "as", "something", "?" ]
[ "like the Sombrero Galaxy", "Spiral galaxies spin", "spin" ]
[ [ 23, 27 ], [ 0, 3 ], [ 2, 3 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
27
shown
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "the Sombrero Galaxy", "Sombrero Galaxy" ]
[ [ 24, 27 ], [ 25, 27 ] ]
Spiral galaxies spin , so they appear as a rotating disk of stars and dust , with a bulge in the middle , like the Sombrero Galaxy shown in Figure 1.2 .
TQA:T_1212_0
27
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "Figure 1.2", "in Figure 1.2" ]
[ [ 29, 31 ], [ 28, 31 ] ]
Several arms spiral outward in the Pinwheel Galaxy -LRB- seen in Figure 1.2 -RRB- and are appropriately called spiral arms .
TQA:T_1212_1
9
seen
true
see
[ "what", "is", "_", "seen", "_", "_", "somewhere", "?" ]
[ "Pinwheel Galaxy", "the Pinwheel Galaxy" ]
[ [ 6, 8 ], [ 5, 8 ] ]
Several arms spiral outward in the Pinwheel Galaxy -LRB- seen in Figure 1.2 -RRB- and are appropriately called spiral arms .
TQA:T_1212_1
9
seen
true
see
[ "where", "is", "something", "seen", "_", "_", "_", "?" ]
[ "Figure 1.2", "in Figure 1.2" ]
[ [ 11, 13 ], [ 10, 13 ] ]
Several arms spiral outward in the Pinwheel Galaxy -LRB- seen in Figure 1.2 -RRB- and are appropriately called spiral arms .
TQA:T_1212_1
17
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "Several arms" ]
[ [ 0, 2 ] ]
Several arms spiral outward in the Pinwheel Galaxy -LRB- seen in Figure 1.2 -RRB- and are appropriately called spiral arms .
TQA:T_1212_1
17
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "spiral arms" ]
[ [ 18, 20 ] ]
Several arms spiral outward in the Pinwheel Galaxy -LRB- seen in Figure 1.2 -RRB- and are appropriately called spiral arms .
TQA:T_1212_1
17
called
true
call
[ "where", "is", "something", "called", "something", "_", "_", "?" ]
[ "in the Pinwheel Galaxy" ]
[ [ 4, 8 ] ]
-LRB- a -RRB- The Sombrero Galaxy is a spiral galaxy that we see from the side so the disk and central bulge are visible .
TQA:T_1212_4
12
see
true
see
[ "who", "is", "_", "seeing", "something", "_", "_", "?" ]
[ "we" ]
[ [ 11, 12 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
12
see
true
see
[ "how", "does", "someone", "see", "something", "_", "_", "?" ]
[ "face-on" ]
[ [ 13, 14 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
12
see
true
see
[ "what", "does", "someone", "see", "_", "_", "_", "?" ]
[ "a spiral galaxy", "Pinwheel Galaxy", "The Pinwheel Galaxy" ]
[ [ 7, 10 ], [ 4, 6 ], [ 3, 6 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
12
see
true
see
[ "who", "_", "_", "sees", "something", "_", "_", "?" ]
[ "we" ]
[ [ 11, 12 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
17
see
true
see
[ "how", "can", "someone", "see", "something", "_", "_", "?" ]
[ "face-on" ]
[ [ 13, 14 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
17
see
true
see
[ "what", "can", "someone", "see", "_", "_", "_", "?" ]
[ "the spiral arms", "spiral arms" ]
[ [ 18, 21 ], [ 19, 21 ] ]
-LRB- b -RRB- The Pinwheel Galaxy is a spiral galaxy that we see face-on so we can see the spiral arms .
TQA:T_1212_5
17
see
true
see
[ "who", "can", "_", "see", "something", "_", "_", "?" ]
[ "we" ]
[ [ 15, 16 ] ]
Because they contain lots of young stars , spiral arms tend to be blue .
TQA:T_1212_6
2
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "they" ]
[ [ 1, 2 ] ]
Because they contain lots of young stars , spiral arms tend to be blue .
TQA:T_1212_6
2
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "lots of young stars" ]
[ [ 3, 7 ] ]
Because they contain lots of young stars , spiral arms tend to be blue .
TQA:T_1212_6
10
tend
true
tend
[ "what", "does", "something", "tend", "_", "_", "to do", "?" ]
[ "Because they contain lots of young stars", "they contain lots of young stars", "to be blue", "be blue" ]
[ [ 0, 7 ], [ 1, 7 ], [ 11, 14 ], [ 12, 14 ] ]
Because they contain lots of young stars , spiral arms tend to be blue .
TQA:T_1212_6
10
tend
true
tend
[ "what", "_", "_", "tends", "_", "_", "to do something", "?" ]
[ "spiral arms" ]
[ [ 8, 10 ] ]
Figure 1.3 shows a typical egg-shaped elliptical galaxy .
TQA:T_1213_0
2
shows
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "a typical egg-shaped elliptical galaxy", "typical egg-shaped elliptical galaxy" ]
[ [ 3, 8 ], [ 4, 8 ] ]
Figure 1.3 shows a typical egg-shaped elliptical galaxy .
TQA:T_1213_0
2
shows
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "Figure 1.3" ]
[ [ 0, 2 ] ]
Giant elliptical galaxies , on the other hand , can contain over a trillion stars .
TQA:T_1213_2
10
contain
true
contain
[ "what", "can", "_", "contain", "something", "_", "_", "?" ]
[ "Giant elliptical galaxies" ]
[ [ 0, 3 ] ]
Giant elliptical galaxies , on the other hand , can contain over a trillion stars .
TQA:T_1213_2
10
contain
true
contain
[ "what", "can", "something", "contain", "_", "_", "_", "?" ]
[ "over a trillion stars" ]
[ [ 11, 15 ] ]
Elliptical galaxies are reddish to yellowish in color because they contain mostly old stars .
TQA:T_1213_3
10
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "they", "Elliptical galaxies" ]
[ [ 9, 10 ], [ 0, 2 ] ]
Elliptical galaxies are reddish to yellowish in color because they contain mostly old stars .
TQA:T_1213_3
10
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "mostly old stars", "old stars" ]
[ [ 11, 14 ], [ 12, 14 ] ]
Most elliptical galaxies contain very little gas and dust because the gas and dust have already formed into stars .
TQA:T_1213_4
3
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "Most elliptical galaxies", "elliptical galaxies" ]
[ [ 0, 3 ], [ 1, 3 ] ]
Most elliptical galaxies contain very little gas and dust because the gas and dust have already formed into stars .
TQA:T_1213_4
3
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "very little gas and dust" ]
[ [ 4, 9 ] ]
Most elliptical galaxies contain very little gas and dust because the gas and dust have already formed into stars .
TQA:T_1213_4
3
contain
true
contain
[ "why", "does", "something", "contain", "something", "_", "_", "?" ]
[ "because the gas and dust have already formed into stars" ]
[ [ 9, 19 ] ]
Most elliptical galaxies contain very little gas and dust because the gas and dust have already formed into stars .
TQA:T_1213_4
16
formed
true
form
[ "what", "did", "something", "form", "_", "into", "_", "?" ]
[ "stars" ]
[ [ 18, 19 ] ]
Most elliptical galaxies contain very little gas and dust because the gas and dust have already formed into stars .
TQA:T_1213_4
16
formed
true
form
[ "what", "has", "_", "formed", "_", "_", "_", "?" ]
[ "dust", "the gas and dust" ]
[ [ 13, 14 ], [ 10, 14 ] ]
However , some elliptical galaxies , such as the one shown in Figure 1.4 , contain lots of dust .
TQA:T_1213_5
10
shown
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "some elliptical galaxies", "elliptical galaxies" ]
[ [ 2, 5 ], [ 3, 5 ] ]
However , some elliptical galaxies , such as the one shown in Figure 1.4 , contain lots of dust .
TQA:T_1213_5
10
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "in Figure 1.4", "Figure 1.4" ]
[ [ 11, 14 ], [ 12, 14 ] ]
However , some elliptical galaxies , such as the one shown in Figure 1.4 , contain lots of dust .
TQA:T_1213_5
15
contain
true
contain
[ "how much", "does", "something", "contain", "_", "_", "_", "?" ]
[ "lots" ]
[ [ 16, 17 ] ]
However , some elliptical galaxies , such as the one shown in Figure 1.4 , contain lots of dust .
TQA:T_1213_5
15
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "galaxies", "some elliptical galaxies" ]
[ [ 4, 5 ], [ 2, 5 ] ]
However , some elliptical galaxies , such as the one shown in Figure 1.4 , contain lots of dust .
TQA:T_1213_5
15
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "dust" ]
[ [ 18, 19 ] ]
Why might some elliptical galaxies contain dust ?
TQA:T_1213_6
5
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "some elliptical galaxies", "elliptical galaxies" ]
[ [ 2, 5 ], [ 3, 5 ] ]
Why might some elliptical galaxies contain dust ?
TQA:T_1213_6
5
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "dust" ]
[ [ 6, 7 ] ]
Most irregular galaxies were once spiral or elliptical galaxies that were then deformed either by gravitational attraction to a larger galaxy or by a collision with another galaxy .
TQA:T_1214_4
12
deformed
true
deform
[ "how", "was", "something", "deformed", "_", "_", "_", "?" ]
[ "either by gravitational attraction to a larger galaxy or by a collision with another galaxy" ]
[ [ 13, 28 ] ]
Most irregular galaxies were once spiral or elliptical galaxies that were then deformed either by gravitational attraction to a larger galaxy or by a collision with another galaxy .
TQA:T_1214_4
12
deformed
true
deform
[ "what", "was", "_", "deformed", "_", "_", "_", "?" ]
[ "galaxies", "spiral or elliptical galaxies", "Most irregular galaxies" ]
[ [ 2, 3 ], [ 5, 9 ], [ 0, 3 ] ]
This galaxy , called NGC 1427A , has nei - ther a spiral nor an elliptical shape .
TQA:T_1214_5
3
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "This galaxy" ]
[ [ 0, 2 ] ]
This galaxy , called NGC 1427A , has nei - ther a spiral nor an elliptical shape .
TQA:T_1214_5
3
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "NGC 1427A" ]
[ [ 4, 6 ] ]
Dwarf galaxies are small galaxies containing only a few million to a few billion stars .
TQA:T_1215_0
5
containing
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "Dwarf galaxies", "small galaxies" ]
[ [ 0, 2 ], [ 3, 5 ] ]
Dwarf galaxies are small galaxies containing only a few million to a few billion stars .
TQA:T_1215_0
5
containing
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "only a few million to a few billion stars" ]
[ [ 6, 15 ] ]
Click image to the left or use the URL below .
TQA:T_1215_10
0
Click
true
click
[ "what", "can", "someone", "click", "_", "_", "_", "?" ]
[ "image" ]
[ [ 1, 2 ] ]
Click image to the left or use the URL below .
TQA:T_1215_10
0
Click
true
click
[ "where", "can", "someone", "click", "something", "_", "_", "?" ]
[ "to the left", "to the left or use the URL below ." ]
[ [ 2, 5 ], [ 2, 11 ] ]
Click image to the left or use the URL below .
TQA:T_1215_10
6
use
true
use
[ "what", "can", "_", "used", "_", "_", "_", "?" ]
[ "the URL", "the URL below" ]
[ [ 7, 9 ], [ 7, 10 ] ]
Click image to the left or use the URL below .
TQA:T_1215_10
6
use
true
use
[ "where", "can", "something", "used", "_", "_", "_", "?" ]
[ "below", "to the left" ]
[ [ 9, 10 ], [ 2, 5 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1215_11
2
Click
true
click
[ "what", "is", "_", "clicked", "_", "_", "_", "?" ]
[ "image to the left", "image" ]
[ [ 3, 7 ], [ 3, 4 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1215_11
2
Click
true
click
[ "where", "is", "something", "clicked", "_", "_", "_", "?" ]
[ "to the left" ]
[ [ 4, 7 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1215_11
8
use
true
use
[ "what", "can", "_", "used", "_", "_", "_", "?" ]
[ "image to the left", "the URL", "the URL below", "URL" ]
[ [ 3, 7 ], [ 9, 11 ], [ 9, 12 ], [ 10, 11 ] ]
However , because they are relatively small and dim , we dont see as many dwarf galaxies from Earth .
TQA:T_1215_2
12
see
true
see
[ "what", "doesn't", "someone", "see", "_", "_", "_", "?" ]
[ "dwarf galaxies", "as many dwarf galaxies" ]
[ [ 15, 17 ], [ 13, 17 ] ]
However , because they are relatively small and dim , we dont see as many dwarf galaxies from Earth .
TQA:T_1215_2
12
see
true
see
[ "where", "doesn't", "someone", "see", "something", "_", "_", "?" ]
[ "from Earth" ]
[ [ 17, 19 ] ]
However , because they are relatively small and dim , we dont see as many dwarf galaxies from Earth .
TQA:T_1215_2
12
see
true
see
[ "who", "doesn't", "_", "see", "something", "_", "_", "?" ]
[ "we" ]
[ [ 10, 11 ] ]
However , because they are relatively small and dim , we dont see as many dwarf galaxies from Earth .
TQA:T_1215_2
12
see
true
see
[ "why", "doesn't", "someone", "see", "something", "_", "_", "?" ]
[ "because they are relatively small and dim" ]
[ [ 2, 9 ] ]
Most dwarf galaxies are irregular in shape .
TQA:T_1215_3
1
dwarf
true
dwarf
[ "what", "is", "_", "dwarfed", "_", "_", "_", "?" ]
[ "galaxies" ]
[ [ 2, 3 ] ]
However , there are also dwarf elliptical galaxies and dwarf spiral galaxies .
TQA:T_1215_4
5
dwarf
true
dwarf
[ "what", "is", "_", "dwarfed", "_", "_", "_", "?" ]
[ "elliptical galaxies" ]
[ [ 6, 8 ] ]
Look back at the picture of the elliptical galaxy .
TQA:T_1215_5
0
Look
true
look
[ "what", "can", "someone", "look", "_", "at", "_", "?" ]
[ "the picture" ]
[ [ 3, 5 ] ]
In the figure , you can see two dwarf elliptical galaxies that are companions to the Andromeda Galaxy .
TQA:T_1215_6
6
see
true
see
[ "what", "can", "someone", "see", "_", "_", "_", "?" ]
[ "two dwarf elliptical galaxies that are companions to the Andromeda Galaxy" ]
[ [ 7, 18 ] ]