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

Ex Input:
Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?

Ex Output:
dangerous moonlight


Ex Input:
Lexus is the luxury vehicle division of what car maker?

Ex Output:
lexus


Ex Input:
Nicknamed the City of Pearls, what is the capital of the Indian state of Andhra Pradesh?

Ex Output:

andhra pradesh