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.

Input: Consider Input: Category: U.S. MILITARY HISTORY 
Clue: This general commanded the first official American force to fight on the European continent

Output: john pershing


Input: Consider Input: Category: MUSICAL INSTRUMENTS 
Clue: Newly discovered, perhaps the oldest playable instrument is one of these, made from a crane's bone

Output: flute


Input: Consider Input: Category: PLAYWRIGHTS 
Clue: His 1840s romance with an older housemaid in Grimstad may have inspired his later themes of guilt & social hypocrisy


Output: henrik ibsen