Review: as david letterman and the onion have proven , the worst of tragedies can be fertile sources of humor , but lawrence has only a fleeting grasp of how to develop them . 
Sentiment: negative

Review: that 's just experimental enough to alienate the mainstream audience while ringing cliched to hardened indie-heads 
Sentiment: negative

Review: we hate ( madonna ) within the film 's first five minutes , and 
Sentiment: negative

Review: chance to prove his worth 
Sentiment: positive


Review: the movie is dawn of the dead crossed with john carpenter 's ghosts of mars , with zombies not as ghoulish as the first and trains not as big as the second .