Review: although mainstream american movies tend to exploit the familiar , every once in a while a film arrives from the margin that gives viewers a chance to learn , to grow , to travel . 
Sentiment: positive

Review: come from a xerox machine rather than ( writer-director ) franc 
Sentiment: negative

Review: the strain of its plot contrivances and its need to reassure 
Sentiment: negative

Review: crawl up your own *** in embarrassment 
Sentiment: negative


Review: ca n't quite distinguish one sci-fi work from another