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

Ex Input:
What is the largest city in Bavaria?

Ex Output:
bavaria


Ex Input:
Who released the albums Sentimental Journey, Goodnight Vienna, Bad Boy, Old Wave and Vertical Man between 1970 and 1999?

Ex Output:
vertical man


Ex Input:
Which poet wrote the line 'Beauty is truth, truth beauty - that is all ye know on earth, and all ye need to know'?

Ex Output:

ode on a grecian urn