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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: ACTORS ON STAGE 
Clue: Tyne Daly & Angela Lansbury won Tonys for playing Mama Rose in this musical, but Ethel Merman didn't

SOLUTION: gypsy

PROBLEM: Category: ESPN ENTERTAINMENT 
Clue: Matt Dillon narrates "Once in a Lifetime", about this New York City soccer team Pele played for

SOLUTION: the cosmos

PROBLEM: Category: "ER" 
Clue: To remove a recorded signal from a tape

SOLUTION:
erase