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

Ex Input:
Everything Changes, Beautiful World and Circus are all albums released by which British band?

Ex Output:
beautiful world


Ex Input:
Which comedian starred in the ABC sitcom Chicken Soup?

Ex Output:
chicken soup


Ex Input:
Who was the mistress of Charles II and mother of the Duke of Monmouth?

Ex Output:

james scott, 1st duke of monmouth