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: FIRST 3 LETTERS OF STATES 
Clue: Jeremy Piven's agent role
arizona

Category: RECENTLY DISCOVERED ANCIENT ROMANS 
Clue: This guy, a strong coffee prepared by forcing steam under pressure through ground beans, was quite lively
espresso

Category: POTIONS 
Clue: This soda, the oldest major soft drink brand in the U.S., contains a mixture of fruit juices (but prune isn't one of them)

dr. pepper