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.
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Question: Category: WATCH "ING" THE MOVIES 
Clue: In this 1983 film Eddie Murphy & Dan Aykroyd switch lives

Answer: trading places


Question: Category: SCIENCE 
Clue: This yellow element is found in gunpowder & matches & is used in vulcanizing rubber

Answer: sulphur


Question: Category: CUTE & CUDDLY 
Clue: A San Diego mom invented these folding plush animals that you can also lay your head on to sleep

Answer:
a pillow pet