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 simplicity, answers should be in all lower cased letters.
question:
Category: NAME THAT WESTERN 
Clue: 1992: "I'm here to kill you, Little Bill, for what you did to Ned"
answer:
unforgiven


question:
Category: THE NATIONAL TOY HALL OF FAME 
Clue: Initial sales for it were sluggish, but demonstrations of how it walked down stairs at Gimbels made it walk off shelves
answer:
a slinky


question:
Category: CLASSIC ADS & JINGLES 
Clue: "Plop, plop, fizz, fizz, oh what a relief it is"
answer:

alka-seltzer