Review: the effort is sincere and the results are honest , but the film is so bleak that it 's hardly watchable . 
Sentiment: negative

Review: garcía bernal and talancón are an immensely appealing couple , 
Sentiment: positive

Review: a cinematic fluidity and sense of intelligence that makes it work more than it probably should 
Sentiment: positive

Review: the success of undercover brother is found in its ability to spoof both black and white stereotypes equally . 
Sentiment: positive


Review: exploitative for the art houses and too cynical