Review: a dull , dumb and derivative horror film 
Sentiment: negative

Review: with amazing finesse , the film shadows heidi 's trip back to vietnam and the city where her mother , mai thi kim , still lives . 
Sentiment: positive

Review: they trot out the conventional science-fiction elements of bug-eyed monsters and futuristic women in skimpy clothes 
Sentiment: negative

Review: work better as a real documentary without the insinuation of mediocre acting or a fairly trite narrative 
Sentiment: negative


Review: at times uncommonly moving