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\*.

Input: Consider Input: the first life forms to appear on earth were

Output: putative fossilized microorganisms


Input: Consider Input: when did the us send troops to europe in ww1

Output: 1917


Input: Consider Input: when did the orioles win the world series


Output: 1966