In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Ex Input:
Who sings the original i can't help falling in love with you?

Ex Output:
Elvis Presley


Ex Input:
Where does prime rib come from on the cow?

Ex Output:
cut of beef from the primal rib


Ex Input:
Who is the only president of india to have served two terms?

Ex Output:

Rajendra Prasad