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\*.
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Question: who took the picture of the windows xp background

Answer: Charles O'Rear


Question: who is rachel's baby daddy in friends

Answer: Ross


Question: who sang life is a three ring circus

Answer:
Barry Biggs