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[ "One unified atomic mass unit is approximately the mass of one nucleon ( either a single proton or neutron ) and is equivalent to 1 g\\/mol .", "The atomic mass unit ( abbreviated : amu or u ) is roughly equal to the mass of 1 proton or 1 neutron ." ]
[ "The Atari 2600 is a video game console released in September 1977 by Atari , Inc. .", "The Atari 2600 is a video game console ." ]
[ "The Atari 2600 used different color palettes depending on the television signal format used .", "The Atari 2600 uses different sets of colors depending on the television used with it : When the Atari 2600 was released nine games were available ." ]
[ "These were also the first consoles to be officially called `` Atari 2600 '' , as the Atari 5200 was released the same year .", "It was not called the Atari 2600 until the Atari 5200 came out in 1982 ." ]
[ "The 2600 was typically bundled with two joystick controllers , a conjoined pair of paddle controllers , and a cartridge game-initially Combat and later Pac-Man .", "When the Atari 2600 came out , it usually came with two joystick controllers , a pair of paddle controllers , and a game cartridge ." ]
[ "Their boxes are in Japanese and have a silver\\/red color scheme similar to the packaging of Atari 's 2600 branded games of the time .", "The best-selling Atari 2600 game was Pac-Man , which sold 7 million copies ." ]
[ "She died at her home in South Pasadena , California on March 14 , 1918 .", "She died at her home in South Pasadena , California on March 4 , 1918 ." ]
[ "Her ancestry includes German , Welsh , English and Irish ; Lucretia Garfield 's paternal great-grandfather immigrated to Pennsylvania ( in a part that is now Delaware ) from Württemberg , Germany .", "Lucretia Garfield 's paternal great-grandfather immigrated to Pennsylvania ( in a part that is now Delaware ) from Württemberg , Germany ." ]
[ "Born in Hiram , Ohio , the daughter of Zeb Rudolph , a farmer and co-founder of the Eclectic Institute at Hiram , and Arabella Mason-Rudolph , Lucretia `` Crete '' Rudolph was a devout member of the Churches of Christ .", "Her father was Zeb Rudolph , a farmer and co-founder of the Eclectic Institute at Hiram , and her mother was Arabella Mason-Rudolph ." ]
[ "She created a wing to the home that became a presidential library of his papers .", "A part of her home became a library for presidential library of her husband 's papers ." ]
[ "He is the director of the Star Wars : The Clone Wars feature film , and the supervising director of the Star Wars : The Clone Wars TV series .", "He is the director of the Star Wars : The Clone Wars feature movie , and the supervising director of the Star Wars : The Clone Wars TV series ." ]
[ "dave Filoni is an American animation director , writer , and animator .", "Dave Filoni is an American movie director , writer , and animator ." ]
[ "Filoni also has a note book sized planner on his desk with Plo Koon 's picture taped to the outside , and he has written the words `` Plo Kool '' on concept art designs for the Clone Wars , indicating that he liked those designs .", "Filoni also has a note book sized planner on his desk with Plo Koon 's picture taped to the outside ." ]
[ "The Parnassos Ski Centre is composed of two sections , Kellaria and Fterolakka , which together make up the largest ski center in Greece .", "The Parnassos Ski Centre has two sections , Kellaria and Fterolakka , which together make up the largest ski center in Greece ." ]
[ "Today , the slopes of Mount Parnassus are the location of two ski centres .", "Today , the slopes of Mount Parnassus have two ski centres ." ]
[ "There the survivors built another city , and called it Lykoreia , which in Greek means `` the howling of the wolves . ''", "There the survivors built another city and called it Lykoreia ." ]
[ "According to Greek mythology , this mountain was sacred to Apollo and the Corycian nymphs , and the home of the Muses .", "According to Greek mythology , this mountain was sacred to Apollo and the home of the Muses ." ]
[ "Parnassus is mined for its abundant supply of bauxite which is converted to aluminium oxide and then to aluminium .", "Parnassus is mined for its large supply of bauxite ." ]
[ "A city , of which Parnassos was leader , was flooded by torrential rains .", "Parnassos was leader of a city that was flooded by rains ." ]
[ "According to some traditions , Parnassus was the site of the fountain Castalia and the home of the Muses ; according to other traditions , that honor fell to Mount Helicon , another mountain in the same range .", "According to some traditions , Parnassus was the site of the fountain Castalia and the home of the Muses ." ]
[ "In 1730 he returned to Poland and began work on a new edition of Polish law , the Volumina legum .", "In 1730 he went back to Poland and began to work on a new text of Polish law ( `` Volumina legum '' ) ." ]
[ "From 1736 he taught at the Collegium Resoviense in Rzeszów .", "From 1736 Konarski taught at the Collegium Resoviense in Rzeszów and in 1740 he started the Collegium Nobilium in Warsaw , a school for sons of the people of high social class ( `` szlachta '' ) ." ]
[ "He studied from 1725 to 1727 at the Collegium Nazarenum in Rome , where he became a teacher of rhetoric .", "Between 1725 and 1727 Konarski learned at the Collegium Nazarenum in Rome , where he became a teacher of rhetoric - the art of good speaking ." ]
[ "After that he traveled through France , Germany and Austria and Poland to broaden his education .", "After that , in order to make better his own learning , he traveled through France , Germany and Austria ." ]
[ "Batman : Arkham Origins is a 2013 action-adventure video game developed by Warner Bros. .", "Batman : Arkham Origins is an action-adventure video game made by Warner Bros. ." ]
[ "A bounty is placed on him by crime lord Black Mask , drawing eight of the world 's greatest assassins to Gotham City on Christmas Eve .", "This attracts eight of world 's greatest assassins to Gotham City on Christmas Eve ." ]
[ "The game , played from a third-person perspective , focuses on Batman 's combat and stealth abilities , detective skills , and gadgets for combat and exploration .", "The game greatly focuses on Batman 's combat and stealth abilities , detective skills , and use of gadgets ." ]
[ "Arkham Origins is the first game in the series with multiplayer capability .", "Arkham Origins is the first game in the series to have a multiplayer mode ." ]
[ "Based on the DC Comics superhero Batman , it is the successor to the 2011 video game Batman : Arkham City and is the third main installment in the Batman : Arkham series .", "The game is based on the DC Comics superhero Batman and is the third in the Batman : Arkham series ." ]
[ "Interactive Entertainment for Microsoft Windows and the PlayStation 3 , Wii U and Xbox 360 video game consoles .", "It is available for Microsoft Windows and the PlayStation 3 , Wii U , and Xbox 360 video game systems ." ]
[ "Some gadgets from previous Arkham games are present at the start of Arkham Origins , while others become available during play .", "Like previous Arkham games , Arkham Origins is played from the third-person view ." ]
[ "For Arkham Origins , development duties shifted away from series creators Rocksteady Studios .", "note Unlike previous Arkham games , Arkham Origins is not made by Rocksteady Studios ." ]
[ "It was released worldwide on October 25 , 2013 .", "Interactive Entertainment on October 25 , 2013 ." ]
[ "The events in Arkham Origins take place about five years before Batman : Arkham Asylum , in midwinter Gotham City .", "The main story takes place five years before the events of 2009 's Batman : Arkham Asylum ." ]
[ "A companion game ( Batman : Arkham Origins Blackgate ) was released with Arkham Origins for Nintendo 3DS and PlayStation Vita , and a spin-off mobile game for the iOS and Android platforms was released in October 2013 .", "A tie-in game titled Batman : Arkham Origins Blackgate was released along with Arkham Origins ." ]
[ "He played the 1987 through 1993 seasons with the Atlanta Braves before being traded to the New York Mets for Dave Gallagher .", "He played the 1987-1993 seasons with the Atlanta Braves before being traded to the New York Mets for Dave Gallagher ." ]
[ "Smith was signed on June 14 , 1984 to play in the Philadelphia Phillies organization .", "Smith was signed on June 14 , 1984 to play Minor League Baseball in the Philadelphia Phillies organization ." ]
[ "The Atlanta Braves hoped Smith would develop into an ace pitcher as John Smoltz and Tom Glavine were developing to be .", "The Atlanta Braves hoped Smith would turn into an ace pitcher as John Smoltz and Tom Glavine were becoming ." ]
[ "He was drafted by the Philadelphia Phillies in the first round ( 21st overall pick ) in the 1984 Major League Baseball Draft .", "He was drafted by the Philadelphia Phillies in the 1st round ( 21st overall pick ) in the amateur draft of 1984 ." ]
[ "On June 9 , 1998 , Smith was traded to the Baltimore Orioles organization for minor leaguer Eric Estes .", "On June 9 , 1998 , Smith was traded to the Baltimore Orioles organization for minor leaguer , Eric Estes ." ]
[ "Peter John Smith ( born February 27 , 1966 ) is a former Major League Baseball starting pitcher , born in Abington , Massachusetts .", "Peter John Smith ( born February 27 , 1966 in Abington , Massachusetts ) is a former Major League Baseball starting pitcher ." ]
[ "He played with the Cincinnati Reds for only half of the 1995 season before being released on June 27 , signing with the Florida Marlins on July 1 .", "He played with the Cincinnati Reds for only half of the 1995 season before being traded to the Florida Marlins on July 1 , 1995 as a free agent ." ]
[ "After spending the rest of 1995 in the minors , Smith became a free agent again , signing with the San Diego Padres on December 23 .", "On December 23 , 1995 , Smith signed as a free agent with the San Diego Padres playing one season with them ." ]
[ "But in 1989 , Smith 's ERA was at 4.75 at the end of the season , higher than his ERA in 1988 when it was at 3.69 .", "But in 1989 , Smith 's earned run average ( ERA ) was at 4.75 at the end of the season , higher than his ERA in 1988 when it was at 3.69 ." ]
[ "Fading Echoes is a children 's fantasy novel .", "Fading Echoes is the second book in the fourth Warriors series , Omen of the Stars ." ]
[ "The term `` chocolate '' then came to mean solid chocolate , rather than hot chocolate .", "The term `` chocolate '' then came to mean solid chocolate , instead of hot chocolate ." ]
[ "Besides the instant powder form , traditional Mexican hot chocolate includes semi-sweet chocolate , cinnamon , sugar , and vanilla .", "Besides the instant powder form , Mexican hot chocolate uses semi-sweet chocolate , cinnamon , sugar and vanilla ." ]
[ "German variations are also known for being very thick and heavy .", "German types are also known for being very thick and heavy ." ]
[ "Sweet hot chocolate and bar chocolate were yet to be invented .", "Sweet hot chocolate and bar chocolate were not made yet ." ]
[ "In 1828 , Coenraad Johannes van Houten developed the first cocoa powder producing machine in the Netherlands .", "In 1828 , Coenraad Johannes van Houten made the first cocoa powder making machine in the Netherlands ." ]
[ "The press separated the greasy cocoa butter from cacao seeds , leaving a purer chocolate powder behind .", "The press took apart the greasy cocoa butter from cacao seeds , leaving a chocolate powder behind ." ]
[ "What the Spaniards then called `` chocolatl '' was said to be a beverage consisting of a chocolate base flavored with vanilla and other spices that was served cold .", "What the Spanish then called `` chocolatl '' was said to be a drink made of a chocolate base with vanilla and other spices that was served cold ." ]
[ "This powder , much like the instant cocoa powder used today , was easier to stir into milk and water .", "This powder - like the cocoa powder used now - was easier to stir into milk and water , and led to solid chocolate ." ]
[ "The drink tasted spicy and bitter , unlike modern hot chocolate , which is typically sweet .", "The drink tasted spicy and bitter , unlike today 's hot chocolate ." ]
[ "Among the multiple thick forms of hot chocolate served in Europe is the Italian cioccolata densa .", "Among the thick types of hot chocolate served in Europe is the Italian cioccolata densa ." ]
[ "It is very sweet and may be topped with marshmallows , whipped cream , or a piece of solid chocolate .", "It is very sweet and often is served with marshmallows , whipped cream , or a piece of solid chocolate ." ]
[ "When he returned to England , he brought the recipe with him , introducing milk chocolate to Europe .", "When he came back to England , he brought the recipe with him , bringing milk chocolate to Europe ." ]
[ "They then poured the drink back and forth from a cup to a pot until a thick foam developed .", "They then poured the drink back and forth from a cup to a pot until a foam was created ." ]
[ "This style of hot chocolate can be extremely thick , often having the consistency of warm chocolate pudding .", "This style of hot chocolate can be very thick , often being like warm chocolate pudding ." ]
[ "To make the chocolate drink , which was served cold , the Maya ground cocoa seeds into a paste and mixed it with water , cornmeal , chili peppers , and other ingredients .", "To make the drink , the Maya ground cocoa seeds into a paste and mixed it with water , cornmeal , chile peppers , and spices ." ]
[ "Additionally , cocoa was given as a dowry when members of the Spanish Royal Family married other European aristocrats .", "Also , cocoa was given as a gift when the Spanish Royal Family married other royalty ." ]
[ "Hot chocolate was first brought to North America as early as the 17th century by the Dutch , but the first time colonists began selling hot chocolate was around 1755 .", "European hot chocolate first came to the U.S. as early as the 1600s by the Dutch , but the first time colonists began selling hot chocolate was around 1755 ." ]
[ "At this time , chocolate still only existed in the bitter drink invented by the Mayas .", "At this time , chocolate still was only the bitter drink made by the Mayans ." ]
[ "By using cocoa powder and low amounts of cocoa butter , it was then possible to manufacture bar chocolate .", "By using cocoa powder and a little bit of cocoa butter , bar chocolate was then able to be made ." ]
[ "Because sugar was yet to come to the Americas , xocolatl was said to be an acquired taste .", "Because sugar had not come to the Americas , xocolatl was said to be something that one did not like in the beginning ." ]
[ "Mexican cinnamon hot chocolate is traditionally served alongside a variety of Mexican pastries known as pan dulce or with churros .", "Mexican cinnamon hot chocolate is often served with a variety of Mexican breads or pastries called pan dulce and churros ." ]
[ "In some cafes in Belgium and other areas in Europe , one who orders a `` warme chocolade '' or `` chocolat chaud '' receives a cup of steaming white milk and a small bowl of bittersweet chocolate chips to dissolve in the milk .", "Some cafes in Belgium and other areas in Europe serve a `` warme chocolade '' or `` chocolat chaud '' ." ]
[ "Hot chocolate with churros is the traditional working-man 's breakfast in Spain .", "Hot chocolate and churros is the normal working-man 's breakfast in Spain ." ]
[ "Sweet-tasting hot chocolate was then invented , leading hot chocolate to become a luxury item among the European nobility by the 17th century .", "Sweet hot chocolate was then made , making hot chocolate a luxury item with the European royalty in the 17th century ." ]
[ "However , Jose de Acosta , a Spanish Jesuit missionary who lived in Peru and then Mexico in the later 16th century , described xocolatl as : After defeating Montezuma 's warriors and demanding that the Aztec nobles hand over their valuables , Cortés returned to Spain in 1528 , bringing cocoa beans and chocolate drink making equipment .", "However , Jose de Acosta , a Spanish Jesuit missionary who lived in Peru and then Mexico in the later 16th century , described xocolatl as a drink with a bitter taste that the natives liked a lot ." ]
[ "Today , hot chocolate is consumed throughout the world and comes in multiple variations including the very thick cioccolata densa served in Italy , and the thinner hot cocoa that is typically consumed in the United States .", "It comes in many different types such as the very thick cioccolata densa in Italy , and the thinner hot cocoa that is usually drunk in the United States ." ]
[ "In Mexico , hot chocolate remains a popular national drink .", "In Mexico , hot chocolate is still popular ." ]
[ "Traditionally , hot chocolate has been associated with cold weather , winter , and dessert in the United States .", "Hot chocolate is usually drank in cold weather and winter in the United States ." ]
[ "The court of King Charles V soon adopted the drink , and what was then only known as `` chocolate '' became a fashionable drink popular with the Spanish upper class .", "The court of King Charles V soon began drinking it , and what was then only called `` chocolate '' became a popular drink with the Spanish upper class ." ]
[ "Hot chocolate , also known as hot cocoa , is a heated beverage typically consisting of shaved chocolate , melted chocolate or cocoa powder , heated milk or water , and sugar .", "Hot chocolate ( also called hot cocoa , drinking chocolate or just cocoa ) is a hot drink ." ]
[ "Even when the first Chocolate House ( an establishment similar to a modern coffee shop ) opened in 1657 , chocolate was still very expensive , costing 50 to 75 pence ( approximately 10-15 shillings ) a pound .", "Even when the first Chocolate house ( a store like a coffee shop now ) opened in 1657 , the drink still cost a lot ." ]
[ "After its introduction to Europe , the drink slowly gained popularity .", "After coming to Europe , the drink slowly got popularity ." ]
[ "In the United States , the drink is popular in instant form , made with hot water or milk from a packet containing mostly cocoa powder , sugar , and dry milk .", "It is made with hot water or milk ." ]
[ "The beverage became popular in Europe after being introduced from Mexico in the New World , and has undergone multiple changes since then .", "The drink became popular in Europe after being brought from Mexico into the New World , and has changed a lot since then ." ]
[ "At the time , chocolate was very expensive in Europe because the cocoa beans only grew in South America .", "Then , chocolate cost a lot in Europe because the cacao beans only grew in South America ." ]
[ "Hot chocolate of this type is commonly sold in circular or hexagonal tablets which can be dissolved into hot milk , water , or cream , and then blended until the mixture develops a creamy froth .", "Hot chocolate of this type is often sold in tablets or bars which can be put into hot milk , water or cream ." ]
[ "An early Classic ( 460-480 AD ) period Mayan tomb from the site of Rio Azul , Guatemala , had vessels with the Maya glyph for cacao on them with residue of a chocolate drink .", "It was used there around 1100 BC\\/BCE An early Classic Period ( 460-480 AD\\/CE ) Mayan grave from Río Azul , Guatemala , had cups with the Mayan words for cacao on them with traces of an old chocolate drink ." ]
[ "This is the thinner of the two main variations .", "This is the thinner of the two main types ." ]
[ "The first chocolate beverage is believed to have been created by the Mayas around 2,000 years ago , and a cocoa beverage was an essential part of Aztec culture by 1400 AD .", "It is believed that the hot chocolate drink was first made by the Mayan people about 2,000 years ago ." ]
[ "In the late 17th century , Hans Sloane , president of the Royal College of Physicians , visited Jamaica .", "In the late 1600s , Hans Sloane , president of the Royal College of Physicians , went toJamaica ." ]
[ "Chocolate was available to Maya of all social classes , although the wealthy drank chocolate from elaborately decorated vessels .", "Maya of all social classes could get the drink , but the rich drank chocolate from fancy vessels or cups ." ]
[ "Free oxygen has been an important constituent of the atmosphere ever since .", "Free oxygen has been an important part of the atmosphere ever since ." ]
[ "For example , at today 's rates of photosynthesis ( which are much greater than those in the land-plant-free Precambrian ) , modern atmospheric O2 levels could be produced in around 2,000 years .", "At today 's rates of photosynthesis ( which are much greater than those in the land-plant-free Precambrian ) , modern atmospheric O2 levels could be produced in around 2,000 years ." ]
[ "These organisms lived long before the GOE , perhaps as early as 3,500 million years ago .", "These organisms lived long before the GOE , perhaps as early as 3500 million years ago ( mya ) ." ]
[ "After the GOE the excess free oxygen started to accumulate in the atmosphere .", "The excess free oxygen started to accumulate in the atmosphere ." ]
[ "Free oxygen is toxic to obligate anaerobic organisms and the rising concentrations may have wiped out most of the Earth 's anaerobic inhabitants at the time .", "Oxygen was toxic to most of the Earth 's anaerobic inhabitants at the time ." ]
[ "The most widely accepted chronology of the Great Oxygenation Event suggests that free oxygen was first produced by prokaryotic and then later eukaryotic organisms that carried out oxygenic photosynthesis , producing oxygen as a waste product .", "The most widely accepted chronology of the Great Oxygenation Event suggests that oxygen was first produced by photosynthetic organisms ( prokaryotic , then eukaryotic ) that emitted oxygen as a waste product ." ]
[ "Before the GOE , any free oxygen they produced was chemically captured by dissolved iron or organic matter .", "The difference was that before the GOE , organic matter and dissolved iron chemically captured any free oxygen ." ]
[ "The GOE was the point when these oxygen sinks became saturated and could not capture all of the oxygen that was produced by cyanobacterial photosynthesis .", "The GOE was the point when these minerals became saturated and could not capture any more oxygen ." ]
[ "Additionally the free oxygen reacted with the atmospheric methane , a greenhouse gas , reducing its concentration and thereby triggering the Huronian glaciation , possibly the longest snowball Earth episode .", "The reaction removed the methane and caused the Huronian glaciation , possibly the longest snowball Earth episode ever ." ]
[ "The Great Oxygenation Event ( GOE ) , also called the Oxygen Catastrophe , Oxygen Crisis , the Oxygen Revolution , or Great Oxidation , was the biologically induced appearance of free oxygen ( O2 ) in Earth 's atmosphere .", "The Great Oxygenation Event ( GOE ) was the introduction of free oxygen into our atmosphere ." ]
[ "Populated areas include the city of Geraldton , Broome , Carnarvon , Derby , Dongara , Kalbarri , Karratha , Kununurra , Meekatharra , Merredin , Moora , Mukinbudin , Newman , Port Hedland and Tom Price .", "It includes Geraldton , Broome , Carnarvon , Derby , Dongara , Kalbarri , Karratha , Kununurra , Meekatharra , Merredin , Moora , Mukinbudin , Newman , Port Hedland and Tom Price ." ]
[ "At 1,587,758 km ² ( 62 percent of Western Australia 's landmass ) , Durack is the largest electorate in Australia by land area and is the second largest single-member electorate in the world , after Nunavut in Canada .", "At 1,587,758 km ² , Durack is the largest electorate in Australia by land area ." ]
[ "The Division is named after the pioneering Durack family , whose exploits were chronicled in Mary Durack 's celebrated family history , Kings in Grass Castles and Sons in the Saddle .", "The Division is named after the pioneering Durack family ." ]
[ "Friedrich Schiller University Jena ( FSU ) ( German : Friedrich-Schiller-Universität Jena , colloquially Uni Jena ) , is a public research university located in Jena , Thuringia , Germany .", "The Friedrich Schiller University of Jena ( German : Friedrich-Schiller-Universität Jena ; abbreviation : FSU ) is a university in Jena , Germany ." ]