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: WHAT SIGN ARE YOU? 
Clue: You're a 7' tall red octagon with white letters; you tell folks to do this, & dang it, you mean it
answer:
a stop sign


question:
Category: ALL ABOARD AMTRAK 
Clue: The Keystone Route serves NYC, Philly & this capital; Three Mile Island's nearby if you're the nuclear plant gawker type
answer:
harrisburg


question:
Category: BIRDIES 
Clue: A member of the heron family, this long-legged wader can be common, great or snowy
answer:

egret