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: PRESIDENTS 
Clue: Though only 5'7", this founding father was called "The Colossus of Independence"
john adams

Category: 10-LETTER WORDS 
Clue: (Jimmy of the Clue Crew in Seattle)  Used in "Hamlet", it's the common British term for the vendor I'm buying from
fishmonger

Category: SHORT STORIES 
Clue: O! the ironic twist that ends his 1906 story "The Gift of the Magi"

o. henry