Review: ( a ) painfully flat gross-out comedy ... 
Sentiment: negative

Review: a woefully dull , redundant concept that bears more than a whiff of exploitation , despite iwai 's vaunted empathy . 
Sentiment: negative

Review: unrealistic 
Sentiment: negative

Review: it ranks with the best of herzog 's works 
Sentiment: positive


Review: that 's alternately melancholic , hopeful and strangely funny