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.

Category: WY WYOMING? 
Clue: This large prairie animal is featured in white silhouette on the state flag
buffalo

Category: PAINT YOUR WAGON 
Clue: The body of a Conestoga wagon was the Prussian shade of this
blue

Category: ROCK BAND 
Clue: The law of superposition states that any bed of rock must be older than another bed here

above it