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.

Q: Category: DRAMA 
Clue: Sula & Helena are robotesses in this Karel Capek play

A: "r.u.r."
****
Q: Category: OVERLAPS 
Clue: Reddish-brown poisonous U.S. snake that leads the RNs at a hospital

A: copperhead nurse
****
Q: Category: LOST PARENT-TEACHER CONFERENCES? 
Clue: Mr. Clay, your son won't raise his own hand; he gets a classmate here at Louisville Central High to raise it for him

A:
muhammad ali
****