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.

Example Input: Who was the subject of the film I'm Not There, and did not appear in it?
Example Output: bob dylan

Example Input: Who played Sandy in the 1975 film Grease?
Example Output: olivia newton-john

Example Input: Facebook announced the acquisition of what major photo app company in April 2012?
Example Output:
instagram