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.

[Q]: Category: QUOTES 
Clue: 19th C. German chancellor who spoke of "Blut und Eisen", meaning "blood & iron"
[A]: otto von bismarck


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


[Q]: Category: RHYMES WITH ME 
Clue: In "Once Upon A Mattress", it was supposed to be under the mattresses
[A]:
pea