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.

Input: Consider Input: Category: E BEFORE I 
Clue: Hold your horses! & to make it easier, use these straps that attach to the bit of the bridle

Output: reins


Input: Consider Input: Category: CAN'T SMILE WITHOUT YOU 
Clue: It's the hard outer layer of a tooth

Output: enamel


Input: Consider Input: Category: TREBLEMAKERS 
Clue: This word found after "treble" comes from the French for "key"


Output: clef