TASK DEFINITION: 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.
PROBLEM: Category: MASSACRE 
Clue: In 1991 this Ohio-based team trounced the Miami Heat 148-80 in the biggest NBA triumph ever

SOLUTION: the cleveland cavaliers

PROBLEM: Category: PEOPLE IN HISTORY 
Clue: Executed in 1587, she was the last reigning queen of Scotland

SOLUTION: mary, queen of scots

PROBLEM: Category: ALICE 
Clue: A common phrase in Lewis Carroll's day was "grin like" one of these; it grins in his story

SOLUTION:
the cheshire cat