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 simplicity, answers should be in all lower cased letters.
PROBLEM: Category: SINGERS 
Clue: "Life Is A Cabaret" for this star who was 19 when she won a Best Actress Tony for "Flora, The Red Menace"

SOLUTION: liza minnelli

PROBLEM: Category: ANCIENT GREEK DRAMA 
Clue: This title angry wife plots revenge against Jason by killing his new flame with a poisoned garment

SOLUTION: medea

PROBLEM: Category: SCIENCE & NATURE 
Clue: It's a formation of calcium carbonate built up on the floor of a cave, formerly water dripping from a stalactite

SOLUTION:
stalagmite