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.

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

[EX Q]: Category: BUSINESS & INDUSTRY 
Clue: In 1926 the Peet Bros. merged their soap company with this one, which then merged with Colgate
[EX A]: palmolive

[EX Q]: Category: FASHION HISTORY 
Clue: These 2 Hepburns made People magazine's 2000 list of the Best Dressed People of All Time
[EX A]:
audrey & katharine