instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Will you still be sending me a valentine is a line from which Beatles song?
answer:
the beatles

question:
What was the name of country music's first superstar who died at the age of 29 from drink and drug abuse?
answer:
country music

question:
Which pop group released the album Word of Mouth in 2013?
answer:
album