In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[EX Q]: Halogen addition to them creates a mixture of a 1-2 and 1-4 addition product. One preparation of them involves butane undergoing thermal dehydration. Another synthesis of the conjugated variety of this chemical group involves elimination of unsaturated alcohols and alkyl halides. They include a number of useful reagents, including ones named for Chan, Dane, Brassard, Rawal, and Danishefsky. In addition to the conjugated variety, they also occur in isolated and cumulated varieties. Conjugation energy guarantees that the conjugated form is the most stable. For ten points, what is this organic functional group whose 1,3 variety are a principal reactant in the Diels-Alder reaction, and which is characterized by a pair of double bonds.
[EX A]: Science

[EX Q]: This work contains the lines, "The swallow tittering from the straw-built bed, the cock's shrill clarion, or the echoing horn, no more shall rouse them from their lowly bed" before claiming that "Full many a gem of purest ray serene the dark unfathom'd caves of ocean bear". Another section of this work discusses how "Knowledge to their eyes her ample page, rich with the spoils of time, did ne'er unroll" and "beneath those rugged elms, that yew tree's shade, where heaves the turf in many a mouldering heap, each in his narrow cell for ever laid". This work begins with the lines, "The curfew tolls the knell of parting day, the lowing herd winds slowly o'er the lea". For 10 pointsname this poem by Thomas Gray.
[EX A]: Fine Arts

[EX Q]: This man wrote over 150 compositions featuring the baryton, and his Mourning Symphony in E minor was played at his funeral. He transposed his Piano Trio in F sharp minor for the theme to the second movement of his Symphony No. 102 in B flat major, a performance of which gave the nickname to Symphony No. 96, his Miracle Symphony. The 2/4 andante second movement of another symphony begins with a tranquil melody in C major, but on beat 2 of measure 16 the phrase ends with a loud G major chord, and the final movement of another sees the musicians leave one by one. For 10 points, name this Austrian composer of the Surprise Symphony and Farewell Symphony.
[EX A]:
Fine Arts