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: Who played Sandy in the 1975 film Grease?

Output: olivia newton-john


Input: Consider Input: Samwise Gamgee, Peregrin Took and Meriadoc Brandybuck are all types of which fictional characters?

Output: hobbit


Input: Consider Input: According to Coleridge, where did Kubla Khan decree his pleasure dome?


Output: xanadu