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: INITIALS M.S. 
Clue: She was in the TV miniseries "Holocaust" & starred in the Holocaust film "Sophie's Choice"

SOLUTION: meryl streep

PROBLEM: Category: FILE UNDER "S" 
Clue: Head & Shoulders, Agree, & Pert Plus are leading types of these

SOLUTION: shampoos

PROBLEM: Category: PARLEZ VOUS? 
Clue: When mom tells you to do something "Maintenant!", she means this

SOLUTION:
now