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:
who won the title of world chess championship in 2017

Ex Output:
Armenian grandmaster Levon Aronian


Ex Input:
when did trinidad and tobago become an independent nation

Ex Output:
1962


Ex Input:
how many british thermal units are in one ton of cooling

Ex Output:

12,000 Btu/h