Problem: Given the question: Extract the answer to the question from the following context. Question: Physical Laws are time reversal invariant, why? Context: The problem of the direction of time arises directly from two contradictory facts. Firstly, the fundamental physical laws are time-reversal invariant; if a cinematographic film were taken of any process describable by means of the aforementioned laws and then played backwards, it would still portray a physically possible process. Secondly, our experience of time, at the macroscopic level, is not time-reversal invariant. Glasses can fall and break, but shards of glass cannot reassemble and fly up onto tables. We have memories of the past, and none of the future. We feel we can't change the past but can influence the future.
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The answer is:
fundamental

input question: Extract the answer to the question from the following context. Question: What is Sheridan's first name? Context: Louis XVI translated the Reflections "from end to end" into French. Fellow Whig MPs Richard Sheridan and Charles James Fox, disagreed with Burke and split with him. Fox thought the Reflections to be "in very bad taste" and "favouring Tory principles". Other Whigs such as the Duke of Portland and Earl Fitzwilliam privately agreed with Burke, but did not wish for a public breach with their Whig colleagues. Burke wrote on 29 November 1790: "I have received from the Duke of Portland, Lord Fitzwilliam, the Duke of Devonshire, Lord John Cavendish, Montagu (Frederick Montagu MP), and a long et cetera of the old Stamina of the Whiggs a most full approbation of the principles of that work and a kind indulgence to the execution". The Duke of Portland said in 1791 that when anyone criticised the Reflections to him, he informed them that he had recommended the book to his sons as containing the true Whig creed.???
output answer: Richard

Extract the answer to the question from the following context. Question: The name for the landlocked country in West Asia near China is? Context: Relocating his court from Jianzhou to Liaodong provided Nurhachi access to more resources; it also brought him in close contact with the Khorchin Mongol domains on the plains of Mongolia. Although by this time the once-united Mongol nation had long since fragmented into individual and hostile tribes, these tribes still presented a serious security threat to the Ming borders. Nurhachi's policy towards the Khorchins was to seek their friendship and cooperation against the Ming, securing his western border from a powerful potential enemy.
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Answer: Mongolia

Q: Extract the answer to the question from the following context. Question: How far does the laser span? Context: A CD is read by focusing a 780 nm wavelength (near infrared) semiconductor laser housed within the CD player, through the bottom of the polycarbonate layer. The change in height between pits and lands results in a difference in the way the light is reflected. By measuring the intensity change with a photodiode, the data can be read from the disc. In order to accommodate the spiral pattern of data, the semiconductor laser is placed on a swing arm within the disc tray of any CD player. This swing arm allows the laser to read information from the centre to the edge of a disc, without having to interrupt the spinning of the disc itself.
A: the centre to the edge of a disc

Question: Extract the answer to the question from the following context. Question: When did Virgil get sick? Context: According to the tradition, Virgil traveled to Greece in about 19 BC to revise the Aeneid. After meeting Augustus in Athens and deciding to return home, Virgil caught a fever while visiting a town near Megara. After crossing to Italy by ship, weakened with disease, Virgil died in Brundisium harbor on September 21, 19 BC. Augustus ordered Virgil's literary executors, Lucius Varius Rufus and Plotius Tucca, to disregard Virgil's own wish that the poem be burned, instead ordering it published with as few editorial changes as possible. As a result, the text of the Aeneid that exists may contain faults which Virgil was planning to correct before publication. However, the only obvious imperfections are a few lines of verse that are metrically unfinished (i.e. not a complete line of dactylic hexameter). Some scholars have argued that Virgil deliberately left these metrically incomplete lines for dramatic effect. Other alleged imperfections are subject to scholarly debate.
Answer: while visiting a town near Megara

Please answer this: Extract the answer to the question from the following context. Question: What happened in the 71st year of the 1900s? Context: In 1941, the General Anaya borough was merged to the Central Department, which was then renamed "Mexico City" (thus reviving the name, but not the autonomous municipality). From 1941 to 1970, the Federal District comprised twelve delegaciones and Mexico City. In 1970 Mexico City was split into four different delegaciones: Cuauhtemoc, Miguel Hidalgo, Venustiano Carranza and Benito Juarez, increasing the number of delegaciones to sixteen. Since then, in a de facto manner, the whole Federal District, whose delegaciones had by then almost formed a single urban area, began to be considered a synonym of Mexico City.
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Answer:
Mexico City was split into four different delegaciones