Review: daring and verve 
Sentiment: positive

Review: 's fairly lame 
Sentiment: negative

Review: of lurid melodrama 
Sentiment: negative

Review: there 's a scientific law to be discerned here that producers would be well to heed : mediocre movies start to drag as soon as the action speeds up ; when the explosions start , they fall to pieces 
Sentiment: negative


Review: serves as a rather thin moral