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: who plays shere khan in the jungle book 2016

A: Idris Elba
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Q: who walked the tightrope between the twin towers

A: Philippe Petit
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Q: what is the liquid in the brain called

A:
Cerebrospinal fluid
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