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: RAIDERS 
Clue: John J. Pershing's attempts to stop this Mexican raider included the U.S. cavalry's "last charge"
[A]: pancho villa


[Q]: Category: LOOK WHO'S TALKING 
Clue: Meursault, whose mother might have died today, narrates this work
[A]: the stranger


[Q]: Category: GENERAL ED. 
Clue: A zygote is produced by the union of 2 of these sex cells, an egg & a sperm
[A]:
gametes