question: Review:
this is a shrewd and effective film from a director who understands how to create and sustain a mood .
Is this review negative or positive?

answer: positive

question: Review:
a lame romantic comedy about an unsympathetic character and someone who would not likely be so stupid as to get
Is this review negative or positive?

answer: negative

question: Review:
imaginative teacher
Is this review negative or positive?

answer:
positive