Review: occasionally horrifying but often inspiring 
Sentiment: positive

Review: to have been modeled on the worst revenge-of-the-nerds clichés the filmmakers could dredge up 
Sentiment: negative

Review: works so well for the first 89 minutes , but ends so horrendously confusing 
Sentiment: negative

Review: and often contradictory 
Sentiment: negative


Review: evacuations , and none-too-funny commentary on the cultural distinctions between americans and brits .