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:
Where do purple martins go for the winter?

Ex Output:
Amazon River Basin


Ex Input:
Where does the tree of life come from?

Ex Output:
many of the world's mythologies, religious and philosophical traditions


Ex Input:
Which sinus rhythm has a rate of less than 60 beats per minute?

Ex Output:

sinus bradycardia