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: why is the congo river not navigable for its entire course

Answer: the three major falls


Question: who played the beast in the live-action beauty and the beast

Answer: Dan Stevens


Question: who sings i work hard for the money

Answer:
Donna Summer