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: IT'S A DOG'S LIFE 
Clue: Familiar to fans as "Marmaduke", this lovable breed was a favorite of Elvis, who had 2 at Graceland
answer:
a great dane


question:
Category: "R"ITERS 
Clue: This author of the hitchhiking novel "Even Cowgirls Get the Blues" once hitchhiked across the U.S.
answer:
tom robbins


question:
Category: ODD 4-LETTER WORDS 
Clue: Led Zeppelin knows that this word refers to a concluding passage of a musical piece or a ballet
answer:

a coda