Review: surprising highs , sorrowful lows and hidden impulsive niches 
Sentiment: positive

Review: a pretentious and ultimately empty examination of a sick and evil woman . 
Sentiment: negative

Review: their children 
Sentiment: positive

Review: is a compelling piece that demonstrates just how well children can be trained to live out and carry on their parents ' anguish 
Sentiment: positive


Review: is much too conventional -- lots of boring talking heads , etc. -- to do the subject matter justice .