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: where are the world athletic championships being held

A: London
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Q: who banned the book where the wild things are

A: teachers
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Q: who is the president of the united nations 2017

A:
Miroslav Lajčák of Slovakia
****