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: "O" YOU ANIMAL! 
Clue: It "coughs" out sediment by clapping its shell shut
answer:
oyster


question:
Category: AMERICAN ART & ARTISTS 
Clue: Roy Lichtenstein perfected his technique for simulating benday dots to mimic the artwork found in these "strips"
answer:
comic strips


question:
Category: GEOGRAPHY 
Clue: French cities on this bay or its inlets include Bordeaux, Nantes & Rochefort
answer:

the bay of biscay