question: Sentence from a movie review: obvious copy

answer: negative

question: Sentence from a movie review: generate a lot of energy

answer: positive

question: Sentence from a movie review: it 's refreshing that someone understands the need for the bad boy ;

answer: positive

question: Sentence from a movie review: a few nifty twists that are so crucial to the genre and another first-rate performance by top-billed star bruce willis

answer:
positive