Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Example Input: Will you still be sending me a valentine is a line from which Beatles song?
Example Output: the beatles

Example Input: Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?
Example Output: angel eyes

Example Input: Which actress played Bathsheba Everdene in the 1967 film 'Far From the Madding Crowd'?
Example Output:
far from the madding crowd