Review: a serious urge to grab the old lady at the end of my aisle 's walker and toss it at the screen in frustration 
Sentiment: negative

Review: mindless and 
Sentiment: negative

Review: modest , crowd-pleasing goals 
Sentiment: positive

Review: is really , really stupid 
Sentiment: negative


Review: unfolds with all the mounting tension of an expert thriller , until the tragedy beneath it all gradually reveals itself .