Part 1. Definition
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Part 2. Example
Who was the first American President?
Answer: president of the united states
Explanation: The question talks about the president of the USA.
Part 3. Exercise
Which 1943 film concerns the lynching of three suspected murderers (played by Dana Andrews, Anthony Quinn and Francis Ford) by a mob (played by Frank Conroy, Marc Lawrence and Jane Darwell, among others)?
Answer:
frank conroy