You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Q: Category: SCIENCE 
Clue: What you're "stuck with" boiling down collagen, softening it with hot water & letting it swell

A: glue
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Q: Category: TV SHOWS BY CHARACTER 
Clue: Erica Kane

A: all my children
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Q: Category: STRING THEORY 201 
Clue: Bosonic string theory has only bosons & none of these particles named for physicist Enrico

A:
fermions
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