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Plant viruses tend to have single-stranded RNA genomes and bacteriophages tend to have double-stranded DNA genomes .96 \/ 99	[ "Plant viruses tend to have single-stranded RNA genomes and bacteriophages tend to have double-stranded DNA genomes ." ]	[ "This enables the compaction necessary to fit the large genomes of eukaryotes inside cell nuclei : the compacted molecule is 40,000 times shorter than an unpacked molecule ." ]	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the description:", "neg": "Represent the description:" }
They are susceptible to antiviral drugs that inhibit the reverse transcriptase enzyme .	[ "They are susceptible to antiviral drugs that inhibit the reverse transcriptase enzyme , e.g. zidovudine and lamivudine ." ]	[ "Pepsin can be inhibited in two ways . The first method is introducing a pepsin inhibitor compound , and the second method is decreasing the acidity level to which the pepsin becomes inactive ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia text:", "neg": "Represent the Wikipedia text:" }
Most DNA viruses are entirely dependent on the host cell 's DNA and RNA synthesising machinery , and RNA processing machinery . Viruses with larger genomes may encode much of this machinery themselves .	[ "Most DNA viruses are entirely dependent on the host cell 's DNA and RNA synthesising machinery , and RNA processing machinery ; however , viruses with larger genomes may encode much of this machinery themselves ." ]	[ "The mRNA is then exported from the nucleus to the cytoplasm , where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA . In prokaryotic cells , which do not have nucleus and cytoplasm compartments , mRNA can bind to ribosomes while it is being transcribed from DNA ." ...	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia text:", "neg": "Represent the Wikipedia text:" }
In eukaryotes the viral genome must cross the cell 's nuclear membrane to access this machinery , while in bacteria it need only enter the cell .5478	[ "In eukaryotes the viral genome must cross the cell 's nuclear membrane to access this machinery , while in bacteria it need only enter the cell ." ]	[ "Unlike viruses , plasmids are `` naked '' DNA and do not encode genes necessary to encase the genetic material for transfer to a new host , though some classes of plasmids encode the sex pilus necessary for their own transfer ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence about Biology:" }
Not all virus infections produce a protective immune response .	[ "Not all virus infections produce a protective immune response in this way ." ]	[ "Throughout the lifetime of an animal these memory cells will â rememberâ each specific pathogen encountered , and are able to mount a strong and rapid response if the pathogen is detected again ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia description:", "neg": "Represent the Wikipedia description:" }
This has cells and other mechanisms which defend the host from any infection .	[ "This comprises cells and other mechanisms that defend the host from infection in a non-specific manner ." ]	[ "Also , the cell membrane chemistry of fungi is different from that of plants ( including organic acid excretion which aids in ion displacement ) ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the text:", "neg": "Represent the text:" }
These persistent viruses evade immune control by sequestration ( hiding away ) ; blocking antigen presentation ; cytokine resistance ; evading natural killer cell activity ; escape from apoptosis ( cell death ) , and antigenic shift ( changing surface proteins ) .	[ "These persistent viruses evade immune control by sequestration , blockade of antigen presentation , cytokine resistance , evasion of natural killer cell activities , escape from apoptosis , and antigenic shift ." ]	[ "Effector lymphocytes function to eliminate the antigen , either by releasing antibodies ( in the case of B cells ) , cytotoxic granules ( cytotoxic T cells ) or by signaling to other cells of the immune system ( helper T cells ) ." ]	SimpleWiki	{ "query": "Represent the Wikipedia description:", "pos": "Represent the Wikipedia description:", "neg": "Represent the Wikipedia description:" }
The cells of the innate system recognize , and respond to , pathogens in a general way .	[ "This means that the cells of the innate system recognize , and respond to , pathogens in a generic way , but , unlike the adaptive immune system , it does not confer long-lasting or protective immunity to the host ." ]	[ "The III-S strain covers itself with a polysaccharide capsule that protects it from the host 's immune system , resulting in the death of the host , while the II-R strain does n't have that protective capsule and is defeated by the host 's immune system ." ]	SimpleWiki	{ "query": "Represent the description:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
All RNA viruses use their own RNA replicase enzymes to create copies of their genomes .79	[ "All RNA viruses use their own RNA replicase enzymes to create copies of their genomes ." ]	[ "The mRNA is then exported from the nucleus to the cytoplasm , where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA . In prokaryotic cells , which do not have nucleus and cytoplasm compartments , mRNA can bind to ribosomes while it is being transcribed from DNA ." ...	SimpleWiki	{ "query": "Represent the description:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Examples of the second type are the Hepadnaviridae , which includes Hepatitis B virus .88 \/ 9	[ "Examples of the second type are the Hepadnaviridae , which includes Hepatitis B virus ." ]	[ "Within Herpesviridae , CMV belongs to the Betaherpesvirinae subfamily , which also includes the genera Muromegalovirus and Roseolovirus ." ]	SimpleWiki	{ "query": "Represent the Wikipedia description:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
; Reverse transcribing viruses : Reverse transcribing viruses with RNA genomes ( retroviruses ) use a DNA intermediate to replicate . Those with DNA genomes ( pararetroviruses ) use an RNA intermediate during genome replication .	[ "Reverse transcribing viruses with RNA genomes ( retroviruses ) , use a DNA intermediate to replicate , whereas those with DNA genomes ( pararetroviruses ) use an RNA intermediate during genome replication ." ]	[ "The mRNA is then exported from the nucleus to the cytoplasm , where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA . In prokaryotic cells , which do not have nucleus and cytoplasm compartments , mRNA can bind to ribosomes while it is being transcribed from DNA ." ...	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Another vertebrate defense against viruses is cell-mediated immunity . It involves immune cells known as T cells .	[ "A second defense of vertebrates against viruses is called cell-mediated immunity and involves immune cells known as T cells ." ]	[ "Effector lymphocytes function to eliminate the antigen , either by releasing antibodies ( in the case of B cells ) , cytotoxic granules ( cytotoxic T cells ) or by signaling to other cells of the immune system ( helper T cells ) ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Then a biochemical pathway , called the RISC complex , starts up . This attacks the viral mRNA , and the cell survives the infection .	[ "A biochemical pathway called the RISC complex is activated , which degrades the viral mRNA and the cell survives the infection ." ]	[ "In 2006 , Mello and Fire received the Nobel Prize for work that began in 1998 , when Mello and Fire along with their colleagues ( SiQun Xu , Mary Montgomery , Stephen Kostas , and Sam Driver ) published a paper in the journal Nature detailing how tiny snippets of RNA fool the cell into destroying the gene 's messe...	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
When such a virus infects a cell , it releases its RNA molecule . A protein complex called dicer sticks to it and chops the RNA into pieces .	[ "When such a virus infects a cell , it releases its RNA molecule or molecules , which immediately bind to a protein complex called dicer that cuts the RNA into smaller pieces ." ]	[ "The mRNA is then exported from the nucleus to the cytoplasm , where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA . In prokaryotic cells , which do not have nucleus and cytoplasm compartments , mRNA can bind to ribosomes while it is being transcribed from DNA ." ...	SimpleWiki	{ "query": "Represent the description:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Rotaviruses avoid this by not uncoating fully inside the cell and by releasing newly produced mRNA through pores in the particle 's inner capsid .	[ "Rotaviruses avoid this mechanism by not uncoating fully inside the cell and by releasing newly produced mRNA through pores in the particle 's inner capsid ." ]	[ "Peripheral proteins are proteins that are bounded to the membrane by electrostatic interactions and hydrogen bonding with the hydrophilic phospholipid heads . Many of these proteins can be found bounded to the surfaces of integral proteins on either the cytoplasimic side of the cell or the extracellular side of th...	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the text:", "neg": "Represent the text:" }
In terms of chemistry , mafic rocks are on the other side of the rock spectrum from the so-called felsic rocks .	[ "In terms of chemistry , mafic rocks are on the other side of the rock spectrum from the felsic rocks ." ]	[ "Very dark brown to black hornblendes that contain titanium are ordinarily called basaltic hornblende , from the fact that they are usually a constituent of basalt and related rocks ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
Water and other volatiles can more easily and gradually escape from mafic lava , so eruptions of volcanoes made of mafic lavas are less explosively violent than felsic lava eruptions .	[ "Water and other volatiles can more easily and gradually escape from mafic lava , so eruptions of volcanoes made of mafic lavas are less explosively violent than felsic-lava eruptions ." ]	[ "Tuff ( from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
Common rock-forming mafic minerals include olivine , pyroxene , amphibole , biotite and other micas , augite and the calcium-rich plagioclase feldspars .	[ "Common rock-forming mafic minerals include olivine , pyroxene , amphibole , and biotite ." ]	[ "Hornblende is a common constituent of many igneous and metamorphic rocks such as granite , syenite , diorite , gabbro , basalt , andesite , gneiss , and schist ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Mafic lava , before cooling , has a lower viscosity than felsic lava due to its lower silica content .	[ "Mafic lava , before cooling , has a low viscosity , in comparison to felsic lava , due to the lower silica content in mafic magma ." ]	[ "It consists of material similar to terrestrial basalts or plutonic rocks and has been differentiated and reprocessed to a lesser or greater degree due to melting and recrystallization on or within meteorite parent bodies ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the description:", "neg": "Represent the description:" }
Most mafic lava volcanoes are oceanic volcanoes , like Hawaii .	[ "Most mafic-lava volcanoes are oceanic volcanoes , like those in Hawaii ." ]	[ "A volcanic plateau is a plateau produced by volcanic activity ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
It will be the last year of the 2010s decade .	[ "It will also be the last year of the 2010s decade ." ]	[ "Whichever team is successful in their application was planned to join in the 2009 -- 10 season ." ]	SimpleWiki	{ "query": "Represent the Wikipedia description:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
2019 ( MMXIX ) will be a common year starting on Tuesday of the Gregorian calendar .	[ "2019 ( MMXIX ) will be a common year starting on Tuesday in the Gregorian calendar ." ]	[ "2005 ( MMV ) was a Common year that started on a Saturday ( dominical letter B ) in the Gregorian calendar ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence about Calendar:", "pos": "Represent the Wikipedia text about Calendar:", "neg": "Represent the Wikipedia text:" }
He made another bad start at the Moscow 1925 chess tournament , and could only fight back to third place , two points behind Bogolyubov and Â 1\/2 point behind Emanuel Lasker .	[ "He made another bad start at the Moscow 1925 chess tournament , and could only fight back to third place , two points behind Bogoljubow and Â 1\\/2 point behind Emanuel Lasker ." ]	[ "Korchnoi bravely fought back , scoring three wins and one draw in the next four games , to equalise the match at 5 â `` 5 after 31 games ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the description:", "neg": "Represent the description:" }
The following year , Capablanca won an even stronger tournament in Moscow , one point ahead of Botvinnik and 3 Â 1\/2 ahead of Salo Flohr , who took third place ; A month later , he shared first place with Botvinnik at Nottingham , with a mark of ( +5 -1 = 8 ) , losing only to Flohr ; Alekhine came sixth .	[ "The following year , Capablanca won an even stronger tournament in Moscow , one point ahead of Botvinnik and 3 Â 1\\/2 ahead of Salo Flohr , who took third place ; A month later , he shared first place with Botvinnik at Nottingham , with a score of ( +5 -1 = 8 ) , losing only to Flohr ; Alekhine placed sixth , onl...	[ "In 1942 she won a match against Jacques Mieses ( four wins , five draws , one loss ) ." ]	SimpleWiki	{ "query": "Represent the description:", "pos": "Represent the sentence:", "neg": "Represent the sentence about Sports:" }
In January 1920 , Emanuel Lasker and Capablanca signed an agreement to play a World Championship match in 1921 .	[ "In January 1920 , Emanuel Lasker and Capablanca signed an agreement to play a World Championship match in 1921 , noting that Capablanca was not free to play in 1920 ." ]	[ "Chessmaster 9000 defeated then U.S. Chess Champion International Grandmaster Larry Christiansen in a four-game match held in September 2002 ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
`` He had no specific duties , but was expected to act as a kind of ambassador-at-large , a well-known figure who would put Cuba on the map wherever he traveled '' .	[ "Hooper and Whyld write that , `` He had no specific duties , but was expected to act as a kind of ambassador-at-large , a well-known figure who would put Cuba on the map wherever he traveled . ''" ]	[ "He was also one of the most likeable of chess masters and became an `` elder statesman '' of the game , to whom others turned for advice or arbitration ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
`` His real , incomparable gifts first began to make themselves known at the time of St. Petersburg 1914 , when I too came to know him personally .	[ "His real , incomparable gifts first began to make themselves known at the time of St. Petersburg , 1914 , when I too came to know him personally ." ]	[ "`` Our Friend is so contented with our girlies , says they have gone through heavy ` courses ' for their age and their souls have much developed , '' Alexandra wrote to Nicholas on December 6 , 1916 ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
Kramnik 's explanation was that Capablanca was twenty years younger , a slightly stronger player , and had more recent competitive practice .	[ "Kramnik explained that Capablanca was twenty years younger , a slightly stronger player , and had more recent competitive practice ." ]	[ "Schlechter was a modest gentleman , who was generally unlikely to win the major chess tournaments by his peaceful inclination , his lack of aggressiveness and his willingness to accept most draw offers from his opponents ( about 80 % of his games finished by a draw ) ." ]	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Capablanca objected to some of the conditions , which significantly favored Lasker , and the match did not take place .	[ "Capablanca objected to some of the conditions , which favored Lasker , and the match did not take place ." ]	[ "The London Chess Club , which had fallen out with Staunton and his colleagues , organised a tournament that was played a month later and had a multi-national set of players ( many of whom had competed in Staunton 's tournament ) , and the result was the same - Anderssen won ." ]	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia text:", "neg": "Represent the Wikipedia text:" }
During these triumphs Capablanca began to experience debilitating symptoms of hypertension .	[ "During these triumphs Capablanca began to suffer symptoms of high blood pressure ." ]	[ "He had become addicted to heroin after being prescribed morphine for his asthma and bronchitis many years earlier ." ]	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Capablanca finished fourth , one point behind the joint winners at Moscow in 1935 ; Emanuel Lasker 's third place at the age of 66 was widely admired .	[ "At Moscow in 1935 Capablanca finished fourth , 1 point behind the joint winners , while Emanuel Lasker 's third place at the age of 66 was hailed as `` a biological miracle . ''" ]	[ "Never able to qualify out of the Interzonal stages into the Candidates ' series , Miles eventually lost the race to become the first British Candidate , when Nigel Short did so in 1985 ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
In the New York 1927 chess tournament , six of the world 's strongest masters played each other four times , the others being Alekhine , Rudolf Spielmann , Milan Vidmar , Nimzovich and Marshall , lacking Bogolyubov and Lasker .	[ "In the New York 1927 chess tournament , played from February 19 to March 23 , 1927 , six of the world 's strongest masters played a quadruple round robin , with the others being Alekhine , Rudolf Spielmann , Milan Vidmar , Nimzowitsch and Marshall , with Bogoljubow and Emanuel Lasker not present ." ]	[ "Capablanca objected to some of the conditions , which favored Lasker , and the match did not take place ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
In September 1913 , Capablanca secured a job in the Cuban Foreign Office , which made him financially secure throughout his life .	[ "In September 1913 , Capablanca received a job in the Cuban Foreign Office , which made him financially secure for life ." ]	[ "However after a long , difficult negotiation , which he reported in the Chess Player 's Chronicle , Staunton went to Paris intending to start their third match in October 1844 , but he caught pneumonia while traveling and almost died ; the match was postponed and never took place ." ]	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
JosÃ RaÃ l Capablanca y Graupera ( Havana , Cuba , 19 November 1888 -- New York , 8 March 1942 ) was a Cuban chess player who was World Chess Champion from 1921 to 1927 .	[ "JosÃ RaÃ l Capablanca y Graupera ( 19 November 1888 â `` 8 March 1942 ) was a Cuban chess player who was world chess champion from 1921 to 1927 ." ]	[ "Paul Charles Morphy ( June 22 , 1837 -- July 10 , 1884 ) , was an American chess player ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia description:", "neg": "Represent the Wikipedia description:" }
In 1905 Capablanca passed with ease the entrance examinations for Columbia University in New York City . He wished to play for Columbia 's strong baseball team , and soon was selected as shortstop on the freshman team .	[ "In 1905 Capablanca passed with ease the entrance examinations for Columbia University in New York City , where he wished to play for Columbia 's strong baseball team , and soon was selected as shortstop on the freshman team ." ]	[ "Staunton replied , thanking the New Orleans Chess Club and Morphy `` for the honor implied in your selection of me as the opponent of such a champion '' and pointing out that he had not competed for several years and was working six days a week ( on editing Shakespeare ) , and that he could not possibly travel acr...	SimpleWiki	{ "query": "Represent the text:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
However , in their second game of the final , Lasker reduced Capablanca to a helpless position and Capablanca was so shaken by this that he blundered away his next game to Tarrasch .	[ "However , in their second game of the final , Lasker reduced Capablanca to a helpless position and Capablanca was so shaken by this that he blundered away his next game to Siegbert Tarrasch ." ]	[ "After a good start , Korchnoi was blown away by Kasparov 's attacking play and remarkable maturity ." ]	SimpleWiki	{ "query": "Represent the sentence:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
That he came second to Lasker must be entirely ascribed to his youthful levity â `` he was already playing as well as Lasker . ''	[ "That he came second to Lasker must be entirely ascribed to his youthful levity â `` he was already playing as well as Lasker ." ]	[ "These tournaments of 1936 were the last two that Lasker played , and the only ones in which Capablanca finished ahead of Lasker , now 67 ." ]	SimpleWiki	{ "query": "Represent the Wikipedia description:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
Vladimir Kramnik thought that Lasker played quite well and the match was an `` even and fascinating fight '' until Lasker blundered in the last game .	[ "On the other hand , Vladimir Kramnik thought that Lasker played quite well and the match was an `` even and fascinating fight '' until Lasker blundered in the last game ." ]	[ "At Moscow in 1935 Capablanca finished fourth , 1 point behind the joint winners , while Emanuel Lasker 's third place at the age of 66 was hailed as `` a biological miracle . ''" ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }
These 1936 tournaments , the last of Lasker 's life , were the only ones in which Capablanca finished ahead of Lasker .	[ "These tournaments of 1936 were the last two that Lasker played , and the only ones in which Capablanca finished ahead of Lasker , now 67 ." ]	[ "When , the same year , she entered the tournament in Carlsbad , Viennese master Albert Becker ridiculed her entry by proposing that any player whom Menchik defeated in tournament play should be granted membership into the Vera Menchik Club ." ]	SimpleWiki	{ "query": "Represent the Wikipedia text:", "pos": "Represent the Wikipedia text:", "neg": "Represent the Wikipedia text:" }
The San Sebastian tournament of 1911 was `` one of the strongest five tournaments held up to that time '' , as all the world 's leading players competed except the World Champion , Lasker , who was inactive in serious play at the time .	[ "According to David Hooper and Ken Whyld , San SebastiÃ n 1911 was `` one of the strongest five tournaments held up to that time '' , as all the world 's leading players competed except the World Champion , Lasker ." ]	[ "Staunton replied , thanking the New Orleans Chess Club and Morphy `` for the honor implied in your selection of me as the opponent of such a champion '' and pointing out that he had not competed for several years and was working six days a week ( on editing Shakespeare ) , and that he could not possibly travel acr...	SimpleWiki	{ "query": "Represent the Wikipedia sentence:", "pos": "Represent the Wikipedia sentence:", "neg": "Represent the Wikipedia sentence:" }