instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which comedian starred in the ABC sitcom Chicken Soup?
answer:
chicken soup


question:
The Bryce Canyon and Zion National Parks are in which US state?
answer:
bryce canyon national park


question:
Which astronaut, part of the Apollo 12 mission on November 19th 1969 became the 4th person to walk on the moon after Neil Armstrong, Buzz Aldrin and Pete Conrad ?
answer:

apollo 12