sentence
stringlengths
4
1.55k
sent_id
stringlengths
12
31
predicate_idx
int32
0
172
predicate
stringlengths
2
18
is_verbal
bool
1 class
verb_form
stringlengths
2
16
question
sequence
answers
sequence
answer_ranges
sequence
Earth rotates on its axis once every 24 hours .
TQA:T_0575_0
1
rotates
true
rotate
[ "how", "does", "something", "rotate", "_", "_", "_", "?" ]
[ "on its axis" ]
[ [ 2, 5 ] ]
Earth rotates on its axis once every 24 hours .
TQA:T_0575_0
1
rotates
true
rotate
[ "what", "_", "_", "rotates", "_", "_", "_", "?" ]
[ "Earth" ]
[ [ 0, 1 ] ]
Earth rotates on its axis once every 24 hours .
TQA:T_0575_0
1
rotates
true
rotate
[ "when", "does", "something", "rotate", "_", "_", "_", "?" ]
[ "once every 24 hours" ]
[ [ 5, 9 ] ]
Earth orbits the Sun once every 365.24 days .
TQA:T_0575_2
1
orbits
true
orbit
[ "what", "does", "something", "orbit", "_", "_", "_", "?" ]
[ "the Sun", "Sun" ]
[ [ 2, 4 ], [ 3, 4 ] ]
Earth orbits the Sun once every 365.24 days .
TQA:T_0575_2
1
orbits
true
orbit
[ "what", "_", "_", "orbits", "something", "_", "_", "?" ]
[ "Earth" ]
[ [ 0, 1 ] ]
Earth orbits the Sun once every 365.24 days .
TQA:T_0575_2
1
orbits
true
orbit
[ "when", "does", "something", "orbit", "something", "_", "_", "?" ]
[ "once every 365.24 days", "every 365.24 days" ]
[ [ 4, 8 ], [ 5, 8 ] ]
This satellite orbits Earth once every 29.5 days .
TQA:T_0575_5
2
orbits
true
orbit
[ "what", "_", "_", "orbits", "_", "_", "somewhere", "?" ]
[ "This satellite", "satellite" ]
[ [ 0, 2 ], [ 1, 2 ] ]
This satellite orbits Earth once every 29.5 days .
TQA:T_0575_5
2
orbits
true
orbit
[ "when", "does", "something", "orbit", "_", "_", "somewhere", "?" ]
[ "once every 29.5 days" ]
[ [ 4, 8 ] ]
This satellite orbits Earth once every 29.5 days .
TQA:T_0575_5
2
orbits
true
orbit
[ "where", "does", "something", "orbit", "_", "_", "_", "?" ]
[ "Earth" ]
[ [ 3, 4 ] ]
This moon is covered with craters , and also has large plains of lava .
TQA:T_0575_6
3
covered
true
cover
[ "what", "_", "_", "covers", "something", "_", "_", "?" ]
[ "craters" ]
[ [ 5, 6 ] ]
This moon is covered with craters , and also has large plains of lava .
TQA:T_0575_6
3
covered
true
cover
[ "what", "is", "_", "covered", "_", "_", "_", "?" ]
[ "This moon" ]
[ [ 0, 2 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
2
came
true
come
[ "what", "_", "_", "came", "_", "into", "something", "?" ]
[ "The Moon" ]
[ [ 0, 2 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
2
came
true
come
[ "what", "did", "something", "come", "_", "into", "_", "?" ]
[ "being", "into being" ]
[ [ 4, 5 ], [ 3, 5 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
8
flew
true
fly
[ "what", "_", "_", "flew", "_", "_", "_", "?" ]
[ "material" ]
[ [ 6, 7 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
8
flew
true
fly
[ "when", "did", "something", "fly", "_", "_", "somewhere", "?" ]
[ "after Earth and a giant asteroid collided" ]
[ [ 11, 18 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
8
flew
true
fly
[ "where", "did", "something", "fly", "_", "_", "_", "?" ]
[ "into space" ]
[ [ 9, 11 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
17
collided
true
collide
[ "what", "_", "_", "collided", "_", "with", "something", "?" ]
[ "Earth", "a giant asteroid" ]
[ [ 12, 13 ], [ 14, 17 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
17
collided
true
collide
[ "what", "did", "something", "collide", "_", "with", "_", "?" ]
[ "giant asteroid", "Earth", "a giant asteroid" ]
[ [ 15, 17 ], [ 12, 13 ], [ 14, 17 ] ]
The Moon came into being from material that flew into space after Earth and a giant asteroid collided .
TQA:T_0575_7
17
collided
true
collide
[ "where", "did", "something", "collide", "_", "with", "something", "?" ]
[ "space" ]
[ [ 10, 11 ] ]
This moon is not a captured asteroid like other moons in the solar system .
TQA:T_0575_8
5
captured
true
capture
[ "what", "isn't", "_", "captured", "_", "_", "_", "?" ]
[ "asteroid", "This moon" ]
[ [ 6, 7 ], [ 0, 2 ] ]
Mars , shown in Figure 25.15 , is the fourth planet from the Sun .
TQA:T_0576_0
2
shown
true
show
[ "what", "is", "_", "shown", "_", "_", "somewhere", "?" ]
[ "Mars" ]
[ [ 0, 1 ] ]
Mars , shown in Figure 25.15 , is the fourth planet from the Sun .
TQA:T_0576_0
2
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "Figure 25.15", "in Figure 25.15" ]
[ [ 4, 6 ], [ 3, 6 ] ]
The rover , Opportunity , was still moving around on the surface .
TQA:T_0576_10
7
moving
true
move
[ "what", "was", "_", "moving", "_", "_", "_", "?" ]
[ "The rover", "The rover , Opportunity", "Opportunity" ]
[ [ 0, 2 ], [ 0, 4 ], [ 3, 4 ] ]
The rover , Opportunity , was still moving around on the surface .
TQA:T_0576_10
7
moving
true
move
[ "where", "was", "something", "moving", "_", "_", "_", "?" ]
[ "around on the surface" ]
[ [ 8, 12 ] ]
No humans have ever set foot on Mars .
TQA:T_0576_11
4
set
true
set
[ "what", "didn't", "someone", "set", "_", "_", "somewhere", "?" ]
[ "foot" ]
[ [ 5, 6 ] ]
No humans have ever set foot on Mars .
TQA:T_0576_11
4
set
true
set
[ "where", "didn't", "someone", "set", "something", "_", "_", "?" ]
[ "on Mars", "Mars" ]
[ [ 6, 8 ], [ 7, 8 ] ]
No humans have ever set foot on Mars .
TQA:T_0576_11
4
set
true
set
[ "who", "didn't", "_", "set", "something", "_", "somewhere", "?" ]
[ "humans" ]
[ [ 1, 2 ] ]
NASA and the European Space Agency have plans to send people to Mars .
TQA:T_0576_12
9
send
true
send
[ "where", "is", "someone", "sending", "someone", "_", "_", "?" ]
[ "to Mars", "Mars" ]
[ [ 11, 13 ], [ 12, 13 ] ]
NASA and the European Space Agency have plans to send people to Mars .
TQA:T_0576_12
9
send
true
send
[ "who", "is", "_", "sent", "_", "_", "somewhere", "?" ]
[ "people" ]
[ [ 10, 11 ] ]
NASA and the European Space Agency have plans to send people to Mars .
TQA:T_0576_12
9
send
true
send
[ "who", "is", "_", "sending", "someone", "_", "somewhere", "?" ]
[ "NASA and the European Space Agency" ]
[ [ 0, 6 ] ]
Mars atmosphere is thin compared to Earths .
TQA:T_0576_2
4
compared
true
compare
[ "how", "is", "something", "compared", "_", "_", "_", "?" ]
[ "thin" ]
[ [ 3, 4 ] ]
Mars atmosphere is thin compared to Earths .
TQA:T_0576_2
4
compared
true
compare
[ "what", "is", "_", "compared", "_", "_", "_", "?" ]
[ "Mars atmosphere" ]
[ [ 0, 2 ] ]
Mars atmosphere is thin compared to Earths .
TQA:T_0576_2
4
compared
true
compare
[ "what", "is", "something", "compared", "_", "to", "_", "?" ]
[ "Earths", "to Earths" ]
[ [ 6, 7 ], [ 5, 7 ] ]
This means that there is much lower pressure at the surface .
TQA:T_0576_3
1
means
true
mean
[ "what", "does", "something", "mean", "_", "_", "_", "?" ]
[ "that there is much lower pressure at the surface" ]
[ [ 2, 11 ] ]
This means that there is much lower pressure at the surface .
TQA:T_0576_3
1
means
true
mean
[ "what", "_", "_", "means", "something", "_", "_", "?" ]
[ "This" ]
[ [ 0, 1 ] ]
Mars is the easiest planet to observe .
TQA:T_0576_5
6
observe
true
observe
[ "how", "is", "something", "observed", "_", "_", "_", "?" ]
[ "easiest" ]
[ [ 3, 4 ] ]
Mars is the easiest planet to observe .
TQA:T_0576_5
6
observe
true
observe
[ "what", "is", "_", "observed", "_", "_", "_", "?" ]
[ "Mars", "planet" ]
[ [ 0, 1 ], [ 4, 5 ] ]
As a result , it has been studied more than any other planet besides Earth .
TQA:T_0576_6
7
studied
true
study
[ "what", "was", "_", "studied", "_", "_", "_", "?" ]
[ "it" ]
[ [ 4, 5 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
2
stand
true
stand
[ "where", "can", "someone", "stand", "_", "_", "_", "?" ]
[ "on Earth" ]
[ [ 3, 5 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
2
stand
true
stand
[ "who", "can", "_", "stand", "_", "_", "_", "?" ]
[ "People" ]
[ [ 0, 1 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
6
observe
true
observe
[ "how", "does", "someone", "observe", "something", "_", "_", "?" ]
[ "through a telescope" ]
[ [ 9, 12 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
6
observe
true
observe
[ "what", "does", "someone", "observe", "_", "_", "_", "?" ]
[ "the planet" ]
[ [ 7, 9 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
6
observe
true
observe
[ "where", "does", "someone", "observe", "something", "_", "_", "?" ]
[ "on Earth" ]
[ [ 3, 5 ] ]
People can stand on Earth and observe the planet through a telescope .
TQA:T_0576_7
6
observe
true
observe
[ "who", "_", "_", "observes", "something", "_", "_", "?" ]
[ "People" ]
[ [ 0, 1 ] ]
We have also sent many space probes to Mars .
TQA:T_0576_8
3
sent
true
send
[ "how much", "did", "someone", "send", "_", "_", "_", "?" ]
[ "many" ]
[ [ 4, 5 ] ]
We have also sent many space probes to Mars .
TQA:T_0576_8
3
sent
true
send
[ "what", "did", "someone", "send", "_", "_", "_", "?" ]
[ "space probes" ]
[ [ 5, 7 ] ]
We have also sent many space probes to Mars .
TQA:T_0576_8
3
sent
true
send
[ "where", "did", "someone", "send", "something", "_", "_", "?" ]
[ "to Mars", "Mars" ]
[ [ 7, 9 ], [ 8, 9 ] ]
We have also sent many space probes to Mars .
TQA:T_0576_8
3
sent
true
send
[ "who", "_", "_", "sent", "something", "_", "_", "?" ]
[ "We" ]
[ [ 0, 1 ] ]
Viewed from Earth , Mars is red .
TQA:T_0577_0
0
Viewed
true
view
[ "what", "is", "something", "viewed", "_", "from", "_", "?" ]
[ "Earth" ]
[ [ 2, 3 ] ]
Viewed from Earth , Mars is red .
TQA:T_0577_0
0
Viewed
true
view
[ "what", "is", "_", "viewed", "_", "from", "something", "?" ]
[ "Mars" ]
[ [ 4, 5 ] ]
The ancient Greeks and Romans named the planet Mars after the god of war .
TQA:T_0577_2
5
named
true
name
[ "what", "was", "_", "named", "something", "_", "_", "?" ]
[ "the planet Mars" ]
[ [ 6, 9 ] ]
The ancient Greeks and Romans named the planet Mars after the god of war .
TQA:T_0577_2
5
named
true
name
[ "what", "was", "something", "named", "_", "after", "_", "?" ]
[ "the god of war" ]
[ [ 10, 14 ] ]
The ancient Greeks and Romans named the planet Mars after the god of war .
TQA:T_0577_2
5
named
true
name
[ "who", "_", "_", "named", "something", "_", "_", "?" ]
[ "The ancient Greeks and Romans" ]
[ [ 0, 5 ] ]
The planets red color reminded them of blood .
TQA:T_0577_3
4
reminded
true
remind
[ "what", "did", "something", "remind", "someone", "of", "_", "?" ]
[ "blood" ]
[ [ 7, 8 ] ]
The planets red color reminded them of blood .
TQA:T_0577_3
4
reminded
true
remind
[ "what", "_", "_", "reminded", "someone", "_", "_", "?" ]
[ "The planets red color" ]
[ [ 0, 4 ] ]
The planets red color reminded them of blood .
TQA:T_0577_3
4
reminded
true
remind
[ "who", "did", "something", "remind", "_", "_", "_", "?" ]
[ "them", "them of blood" ]
[ [ 5, 6 ], [ 5, 8 ] ]
Mars has only a very thin atmosphere , made up mostly of carbon dioxide .
TQA:T_0577_4
8
made
true
make
[ "what", "is", "_", "made", "_", "of", "something", "?" ]
[ "atmosphere", "a very thin atmosphere" ]
[ [ 6, 7 ], [ 3, 7 ] ]
Mars has only a very thin atmosphere , made up mostly of carbon dioxide .
TQA:T_0577_4
8
made
true
make
[ "what", "is", "something", "made", "_", "of", "_", "?" ]
[ "carbon dioxide", "mostly of carbon dioxide" ]
[ [ 12, 14 ], [ 10, 14 ] ]
Olympus Mons is shown in Figure 25.16 .
TQA:T_0578_1
3
shown
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "Olympus Mons" ]
[ [ 0, 2 ] ]
Olympus Mons is shown in Figure 25.16 .
TQA:T_0578_1
3
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "in Figure 25.16", "Figure 25.16" ]
[ [ 4, 7 ], [ 5, 7 ] ]
One-fifth of the circumference of Mars is covered by the canyon .
TQA:T_0578_10
7
covered
true
cover
[ "how much", "is", "something", "covering", "_", "_", "_", "?" ]
[ "One-fifth", "One-fifth of the circumference" ]
[ [ 0, 1 ], [ 0, 4 ] ]
One-fifth of the circumference of Mars is covered by the canyon .
TQA:T_0578_10
7
covered
true
cover
[ "what", "is", "_", "covered", "_", "_", "_", "?" ]
[ "Mars", "circumference of Mars" ]
[ [ 5, 6 ], [ 3, 6 ] ]
One-fifth of the circumference of Mars is covered by the canyon .
TQA:T_0578_10
7
covered
true
cover
[ "what", "is", "_", "covering", "_", "_", "_", "?" ]
[ "the canyon", "canyon" ]
[ [ 9, 11 ], [ 10, 11 ] ]
Buy there are fewer craters than on the Moon .
TQA:T_0578_18
0
Buy
true
buy
[ "what", "is", "_", "bought", "_", "_", "somewhere", "?" ]
[ "craters" ]
[ [ 4, 5 ] ]
Buy there are fewer craters than on the Moon .
TQA:T_0578_18
0
Buy
true
buy
[ "where", "is", "something", "bought", "_", "_", "_", "?" ]
[ "on the Moon" ]
[ [ 6, 9 ] ]
What does this suggest to you regarding Mars plate tectonic history ?
TQA:T_0578_19
1
does
true
do
[ "what", "does", "something", "do", "_", "_", "_", "?" ]
[ "suggest" ]
[ [ 3, 4 ] ]
What does this suggest to you regarding Mars plate tectonic history ?
TQA:T_0578_19
1
does
true
do
[ "what", "_", "_", "does", "something", "_", "_", "?" ]
[ "this" ]
[ [ 2, 3 ] ]
What does this suggest to you regarding Mars plate tectonic history ?
TQA:T_0578_19
3
suggest
true
suggest
[ "who", "is", "something", "suggested", "_", "to", "_", "?" ]
[ "you" ]
[ [ 5, 6 ] ]
What does this suggest to you regarding Mars plate tectonic history ?
TQA:T_0578_19
6
regarding
true
regard
[ "what", "does", "something", "regard", "_", "_", "_", "?" ]
[ "Mars plate tectonic history" ]
[ [ 7, 11 ] ]
What does this suggest to you regarding Mars plate tectonic history ?
TQA:T_0578_19
6
regarding
true
regard
[ "what", "_", "_", "regards", "something", "_", "_", "?" ]
[ "this", "you" ]
[ [ 2, 3 ], [ 5, 6 ] ]
If there was liquid water on Mars , life might have existed there in the past .
TQA:T_0579_10
11
existed
true
exist
[ "how", "might", "something", "existed", "_", "_", "somewhere", "?" ]
[ "If there was liquid water" ]
[ [ 0, 5 ] ]
If there was liquid water on Mars , life might have existed there in the past .
TQA:T_0579_10
11
existed
true
exist
[ "what", "might", "_", "existed", "_", "_", "_", "?" ]
[ "life" ]
[ [ 8, 9 ] ]
If there was liquid water on Mars , life might have existed there in the past .
TQA:T_0579_10
11
existed
true
exist
[ "when", "might", "something", "existed", "_", "_", "_", "?" ]
[ "in the past" ]
[ [ 13, 16 ] ]
If there was liquid water on Mars , life might have existed there in the past .
TQA:T_0579_10
11
existed
true
exist
[ "where", "might", "something", "existed", "_", "_", "_", "?" ]
[ "Mars", "on Mars" ]
[ [ 6, 7 ], [ 5, 7 ] ]
The planet does have a lot of water ; it is in the form of ice .
TQA:T_0579_2
2
does
true
do
[ "what", "does", "something", "do", "_", "_", "_", "?" ]
[ "have a lot of water" ]
[ [ 3, 8 ] ]
The planet does have a lot of water ; it is in the form of ice .
TQA:T_0579_2
2
does
true
do
[ "what", "_", "_", "does", "something", "_", "_", "?" ]
[ "The planet" ]
[ [ 0, 2 ] ]
The ice melts when volcanoes erupt .
TQA:T_0579_5
2
melts
true
melt
[ "what", "_", "_", "melts", "_", "_", "_", "?" ]
[ "The ice", "ice" ]
[ [ 0, 2 ], [ 1, 2 ] ]
The ice melts when volcanoes erupt .
TQA:T_0579_5
2
melts
true
melt
[ "when", "does", "something", "melt", "_", "_", "_", "?" ]
[ "when volcanoes erupt" ]
[ [ 3, 6 ] ]
The ice melts when volcanoes erupt .
TQA:T_0579_5
5
erupt
true
erupt
[ "what", "_", "_", "erupts", "_", "_", "_", "?" ]
[ "volcanoes" ]
[ [ 4, 5 ] ]
At this times liquid water flows across the surface .
TQA:T_0579_6
5
flows
true
flow
[ "what", "does", "something", "flow", "_", "across", "_", "?" ]
[ "the surface", "across the surface" ]
[ [ 7, 9 ], [ 6, 9 ] ]
At this times liquid water flows across the surface .
TQA:T_0579_6
5
flows
true
flow
[ "what", "_", "_", "flows", "_", "across", "something", "?" ]
[ "liquid water" ]
[ [ 3, 5 ] ]
At this times liquid water flows across the surface .
TQA:T_0579_6
5
flows
true
flow
[ "when", "does", "something", "flow", "_", "across", "something", "?" ]
[ "At this times" ]
[ [ 0, 3 ] ]
Scientists think that there was once liquid water on the planet .
TQA:T_0579_7
1
think
true
think
[ "what", "might", "someone", "think", "_", "on", "_", "?" ]
[ "that there was once liquid water on the planet" ]
[ [ 2, 11 ] ]
Scientists think that there was once liquid water on the planet .
TQA:T_0579_7
1
think
true
think
[ "who", "might", "_", "think", "_", "_", "_", "?" ]
[ "Scientists" ]
[ [ 0, 1 ] ]
There are many surface features that look like water - eroded canyons .
TQA:T_0579_8
6
look
true
look
[ "what", "_", "_", "looks", "_", "as", "something", "?" ]
[ "many surface", "many surface features" ]
[ [ 2, 4 ], [ 2, 5 ] ]
There are many surface features that look like water - eroded canyons .
TQA:T_0579_8
10
eroded
true
erode
[ "how", "is", "something", "eroded", "_", "_", "_", "?" ]
[ "water" ]
[ [ 8, 9 ] ]
There are many surface features that look like water - eroded canyons .
TQA:T_0579_8
10
eroded
true
erode
[ "what", "is", "_", "eroded", "_", "_", "_", "?" ]
[ "canyons", "surface features" ]
[ [ 11, 12 ], [ 3, 5 ] ]
The Mars rover collected round clumps of crystals that , on Earth , usually form in water .
TQA:T_0579_9
3
collected
true
collect
[ "what", "_", "_", "collected", "something", "_", "_", "?" ]
[ "The Mars rover" ]
[ [ 0, 3 ] ]
The Mars rover collected round clumps of crystals that , on Earth , usually form in water .
TQA:T_0579_9
3
collected
true
collect
[ "what", "did", "something", "collect", "_", "_", "_", "?" ]
[ "round clumps of crystals" ]
[ [ 4, 8 ] ]
The Mars rover collected round clumps of crystals that , on Earth , usually form in water .
TQA:T_0579_9
14
form
true
form
[ "what", "_", "_", "forms", "_", "_", "somewhere", "?" ]
[ "crystals", "round clumps of crystals" ]
[ [ 7, 8 ], [ 4, 8 ] ]
The Mars rover collected round clumps of crystals that , on Earth , usually form in water .
TQA:T_0579_9
14
form
true
form
[ "when", "does", "something", "form", "_", "_", "somewhere", "?" ]
[ "usually" ]
[ [ 13, 14 ] ]
The Mars rover collected round clumps of crystals that , on Earth , usually form in water .
TQA:T_0579_9
14
form
true
form
[ "where", "does", "something", "form", "_", "_", "_", "?" ]
[ "in water", "on Earth" ]
[ [ 15, 17 ], [ 10, 12 ] ]
Mars has two very small , irregular moons , Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos .
TQA:T_0580_0
1
has
true
have
[ "what", "does", "something", "have", "_", "_", "_", "?" ]
[ "moons", "two very small , irregular moons" ]
[ [ 7, 8 ], [ 2, 8 ] ]
Mars has two very small , irregular moons , Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos .
TQA:T_0580_0
1
has
true
have
[ "what", "_", "_", "has", "something", "_", "_", "?" ]
[ "Mars" ]
[ [ 0, 1 ] ]
Mars has two very small , irregular moons , Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos .
TQA:T_0580_0
11
seen
true
see
[ "what", "has", "_", "seen", "_", "_", "somewhere", "?" ]
[ "Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos" ]
[ [ 9, 18 ] ]
Mars has two very small , irregular moons , Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos .
TQA:T_0580_0
11
seen
true
see
[ "what", "has", "_", "seen", "_", "_", "_", "?" ]
[ "Phobos", "irregular moons" ]
[ [ 9, 10 ], [ 6, 8 ] ]
Mars has two very small , irregular moons , Phobos -LRB- seen in Figure 25.18 -RRB- and Deimos .
TQA:T_0580_0
11
seen
true
see
[ "where", "has", "something", "seen", "_", "_", "_", "?" ]
[ "Mars", "Figure 25.18", "in Figure 25.18" ]
[ [ 0, 1 ], [ 13, 15 ], [ 12, 15 ] ]
These moons were discovered in 1877 .
TQA:T_0580_1
3
discovered
true
discover
[ "what", "was", "_", "discovered", "_", "_", "_", "?" ]
[ "These moons" ]
[ [ 0, 2 ] ]
These moons were discovered in 1877 .
TQA:T_0580_1
3
discovered
true
discover
[ "when", "was", "something", "discovered", "_", "_", "_", "?" ]
[ "in 1877", "1877" ]
[ [ 4, 6 ], [ 5, 6 ] ]
They are named after the two sons of Ares , who followed their father into war .
TQA:T_0580_2
2
named
true
name
[ "who", "is", "_", "named", "_", "after", "someone", "?" ]
[ "They" ]
[ [ 0, 1 ] ]