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

[Q]: Which `brothers` had a number one hit in May 1958 with `All I Have To Do Is Dream`?
[A]: all i have to do is dream


[Q]: Which film director won the Oscar for Best Picture for the film 12 Years a Slave in 2013?
[A]: 12 years a slave


[Q]: Which singer starred in the film `Desperately Seeking Susan`?
[A]:
desperately seeking susan