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: GO WITH THE FLOW 
Clue: The Tigris flows into this gulf

SOLUTION: the persian gulf

PROBLEM: Category: NORTHWESTERN 
Clue: Tenerife is the chief island in this Spanish island group off the northwest coast of Africa

SOLUTION:
canary islands