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

Ex Input:
Which singer played Billie Holiday in the 1972 film `Lady Sings The Blues`?

Ex Output:
lady sings the blues


Ex Input:
Which composer's oratorios include 'The Kingdom' and 'The Dream of Gerontius'?

Ex Output:
the dream of gerontius


Ex Input:
What is the name of Cleo Laine's husband who died in February 2010?

Ex Output:

cleo laine