Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Input: Consider Input: In the Shakespeare play 'Macbeth', which character carries Macbeth's head on stage?

Output: macduff

Input: Consider Input: Which German writer, one of the key figures of the movement of Weimar Classicism in the late 18th and early 19th centuries, produced the two-part drama Faust, numerous poems and the novel The Sorrows of Young Werther?

Output: johann wolfgang von goethe

Input: Consider Input: Which football club did Kenny Dalglish leave in 1977 to join Liverpool?
Output: celtic