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\*.

Q: when did the samsung s4 note come out

A: October 2014
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Q: why is the congo river not navigable for its entire course

A: the three major falls
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Q: protozoan classification used to be based on their means of

A:
locomotion
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