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

[Q]: Ageusia is the loss of which sense?
[A]: ageusia


[Q]: Which Beatles song was also recorded by Peter Sellers?
[A]: the beatles


[Q]: Who was the writer of the books on which the UK comedy TV series Doctor in the House (1969-70) were based?
[A]:
doctor in the house