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\*.

Example Input: when did the us send troops to europe in ww1
Example Output: 1917

Example Input: who was the fury in the boy in striped pajamas
Example Output: 'Führer

Example Input: at the time of implantation the human embryo is called a
Example Output:
blastocyst