instruction:
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\*.
question:
who discovered the subatomic particles of an atom
answer:
James Chadwick


question:
why do you put fork marks on peanut butter cookies
answer:
convenience


question:
who plays dr k on this is us
answer:

Gerald McRaney