Review: this wretchedly unfunny wannabe comedy 
Sentiment: negative

Review: he 's got as potent a topic as ever here 
Sentiment: positive

Review: and mordantly humorous 
Sentiment: positive

Review: is n't nearly as downbeat as it sounds , but strikes a tone that 's alternately melancholic , hopeful and strangely funny 
Sentiment: positive


Review: should be doing a lot of things , but does n't .