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

Example Input: Which four letter word beginning with 'F' is a white crumbly Greek cheese, made from sheep's or goats milk and cured in brine?
Example Output: sheep

Example Input: Inked by Dean Young, the travails of the Bumstead family are depicted in what comic strip created in 1930?
Example Output: dean young

Example Input: Who was British Prime Minister at the time of the Jarrow March?
Example Output:
prime minister of the united kingdom