Review: joy and energy 
Sentiment: positive

Review: it 's an ambitious film , and as with all ambitious films , it has some problems . 
Sentiment: positive

Review: substandard 
Sentiment: negative

Review: if you ever wanted to be an astronaut , this is the ultimate movie experience - 
Sentiment: positive


Review: could only be made by african-americans because of its broad racial insensitivity towards african-americans