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.

Category: I HEAR A SYMPHONY
Clue: Mozart's 38th is called by the name of this city that stood in for Vienna in the filming of "Amadeus"
prague

Category: PHILOSOPHY
Clue: This ancient philosopher wrote about a theory of forms in his "Republic"
plato

Category: CAN I HAVE A MOMENT?
Clue: Oprah calls instants of realization these moments; actress Ginnifer Goodwin had one that made her become a vegan
an a-ha moment