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

Ex Input:
Which country had a parliament called the Duma?

Ex Output:
state duma


Ex Input:
Who wrote and recorded the original version of the song Blue Suede Shoes which was a hit single for Elvis Presley in 1955?

Ex Output:
blue suede shoes


Ex Input:
To which family of fish does the dogfish belong?

Ex Output:

squaliformes