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:
malware that essentially is a form of social engineering

Ex Output:
Trojan horses


Ex Input:
how did kurtz die in the heart of darkness

Ex Output:
jungle fever


Ex Input:
what is the main rifle of the us army

Ex Output:

M4