Review: tiresomely derivative and hammily acted . 
Sentiment: negative

Review: to the tongue-in-cheek attitude of the screenplay 
Sentiment: positive

Review: a very well-meaning movie , 
Sentiment: positive

Review: dazzling thing to behold -- as long as you 're wearing the somewhat cumbersome 3d goggles the theater 
Sentiment: positive


Review: as does its sensitive handling of some delicate subject matter