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:
which river takes its name from loess soil

Ex Output:
the Yellow River


Ex Input:
what is the interior angle of a 20 sided polygon

Ex Output:
162°


Ex Input:
when did the big bang theory tv show start

Ex Output:

September 24, 2007