You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what is the verse form used in sir gawain called?" whose answer is "Alliterative Revival" style.
Each document should contain about 30 words, and these documents should contain useful information.

Query: verse form used in Sir Gawain and the Green Knight
Useful Output:

Doc 1: The verse form used in two of the best-loved poems of the English  Sir Gawain and the Green Knight, is defined as “alliterative meter.
Doc 2: Sir Gawain and the Green Knight is all about sex and death · The poem uses alliteration as a 14th-century special effect · Sir Gawain is
Doc 3:  Sir Gawain and the Green Knight revels in a verse form which permits him a cascade of sound of a kind unattainable in the carefully measured verse form of
Doc 4: The poet of Sir Gawain and the Green Knight makes extensive use of stanza-linking and turns it to unusual poetic effects, principally montage and dialogue.
Doc 5: In this passage, the glitz and glamour of King Arthur's court is beautifully described. The poet's use of imagery in this passage is consistent with the rest