question: Sentence from a movie review: a friend

answer: positive

question: Sentence from a movie review: warmth , wit and interesting characters

answer: positive

question: Sentence from a movie review: the acting is just fine , but there 's not enough substance here to sustain interest for the full 90 minutes , especially with the weak payoff .

answer: negative

question: Sentence from a movie review: ambiguities that make it well worth watching

answer:
positive