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.

Category: UNIVERSITY OF MICHIGAN ALUMNI 
Clue: Though Michigan had a single-sex dorm known as "The Virgin Vault", this "Material Girl" lived in East Quad
madonna

Category: COLORFUL LANGUAGE 
Clue: A karate kid may aspire to this high rank, kuroi-obi in Japanese
a black belt

Category: JACKs 
Clue: In the '60s he reigned as TV's exercise guru

jack lalaine