instruction:
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.
question:
Category: FILE UNDER "S" 
Clue: Head & Shoulders, Agree, & Pert Plus are leading types of these
answer:
shampoos


question:
Category: SALAD DRESSING 
Clue: This national-named dressing often made with ketchup is found in deli sandwiches
answer:
russian dressing


question:
Category: DIRECTED & STARRED IN 
Clue: "Yentl"
answer:

barbara streisand