instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who wrote `20,000 Leagues Under The Sea`?
answer:
20,000 leagues under the sea


question:
Lexus is the luxury vehicle division of what car maker?
answer:
lexus


question:
Which Disney film was inspired by the works of Carlo Collodi?
answer:

carlo collodi