TASK DEFINITION: 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.
PROBLEM: Category: AIRLINE AD SLOGANS
Clue: "The world's favourite airline"

SOLUTION: british airways

PROBLEM: Category: LITERATURE
Clue: We wonder what his grandfather, the adding machine inventor, would have thought of "Naked Lunch"

SOLUTION: william s. burroughs

PROBLEM: Category: CANINE WORDS & PHRASES
Clue: On "Cheers" Norm once said it's this type of "world and I'm wearing Milk-Bone underwear"

SOLUTION:
a dog-eat-dog