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.

Q: Category: SOCIAL SCIENCE 
Clue: It's the study of the principles of punishment as well as the management of prisons

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

A: comic strips
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Q: Category: MESSIAH 
Clue: It's a future 1,000-year period of blessedness; some think it'll be after the Second Coming, some that it'll lead to it

A:
millennium
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