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:
where was the first motte and bailey castle built

Ex Output:
northern Europe


Ex Input:
why do you put fork marks on peanut butter cookies

Ex Output:
convenience


Ex Input:
when was the fifth generation of computers invented

Ex Output:

1982