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: FLAGS 
Clue: Christopher Columbus' flag bore a cross with their initials on either side
ferdinand & isabella

Category: COLLEGE SPORTS TEAM NICKNAMES 
Clue: Penn State
nittany lions

Category: PRESIDENTIAL LAST WORDS 
Clue: Though noted for his drinking, the last thing he said was "Water"

ulysses s. grant