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: CHEMISTRY 
Clue: It's a system of small particles "hanging" in a liquid; paint, for example

Answer: suspension


Question: Category: MOVIE STARS GO TO WORK 
Clue: Nicole Kidman speaks fluent Ku as this 2005 title character

Answer: the interpreter


Question: Category: ARTISTS & THEIR SUBJECTS 
Clue: His 1892 painting "Manao Tupapau" depicts a young Tahitian girl & a scary-looking spirit

Answer:
paul gauguin