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

[Q]: In which 1960's TV series did Clarence the cross-eyed lion appear?
[A]: clarence, the cross-eyed lion


[Q]: In which book of the Bible are the Ten Commandments first mentioned?
[A]: bible


[Q]: In what sport would one use a carabiner and a piton?
[A]:
carabiner