Review: a freshness and modesty 
Sentiment: positive

Review: about a boy injects just enough freshness into the proceedings to provide an enjoyable 100 minutes in a movie theater . 
Sentiment: positive

Review: bears ... should keep parents amused with its low groan-to-guffaw ratio 
Sentiment: positive

Review: i was feeling this movie until it veered off too far into the exxon zone , and left me behind at the station looking for a return ticket to realism . 
Sentiment: negative


Review: pretends to be a serious exploration of nuclear terrorism