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 consistency, answers should be in all lower cased letters.

[EX Q]: Category: WE'RE NO. 1 
Clue: Nicaragua was the first country to ratify this charter in 1945; the U.S. took another 3 weeks
[EX A]: u.n. charter

[EX Q]: Category: JEWELRY 
Clue: An engraved gem with a design that projects from the surface, it can be carved from onyx, agate or sardonyx
[EX A]: a cameo

[EX Q]: Category: THE NEAREST 
Clue: ...of your 4 limbs to your heart is this one
[EX A]:
your left arm