In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

Ex Input:
what were the cause of the american civil war

Ex Output:
conflicts over slavery


Ex Input:
who played mark greene's mother on er

Ex Output:
Bonnie Bartlett


Ex Input:
where is the headquarters of geological survey of india located

Ex Output:

Kolkata