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: SPORTS SCORES 
Clue: In volleyball, only the side who did this at the beginning of play can score a point

SOLUTION: serve

PROBLEM: Category: OUT FOR A "SPIN" 
Clue: Finish your soda & pucker up: it's time to play this game

SOLUTION: spin the bottle

PROBLEM: Category: STUPID ANSWERS 
Clue: Writer Ruth McKenney's sister Eileen was the inspiration for this play

SOLUTION:
my sister eileen