TASK DEFINITION: Given a review text from amazon and its polarity (either positive or negative). Generate answer "True" if given sentence and its polarity match, otherwise generate answer "False". A review is considered positive if the reviewer is satisfied with the product. Otherwise, it is considered negative.
PROBLEM: Review: This book [stinks]. I read this book only, because I seen the preview for the movie. It jumps around from one thing to the next. John Keel is a nut, "the phone rang and nobody was there!" "That could only mean the time traveling space aliens, cause no human would be capable of calling my house and hanging up." "The CIA/FBI are out to get me" Please!!! Go see a shrink. 
 Polarity: Positive

SOLUTION: False

PROBLEM: Review: my ac adapter broke down as well, the tip going into the computer simply fell out of the plastic plug. don't get it. it's basically $40 wasted. 
 Polarity: Negative

SOLUTION: True

PROBLEM: Review: the quality of the lcd display is terrible, low visibility and with a "rainbow" effect on the surface. backlighting of the LCD display is woefully inadequatethe operating manual is barely sufficient.the scanner itself hang up on the first time i used and i could not power it down any more i returned it the first day i got it 
 Polarity: Negative

SOLUTION:
True