You will be given a definition of a task first, then some input of the task.
Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

Fabulous backup battery that fits the back of an iPhone 4 perfectly (if you supply velcro dots). The cord makes a perfect turn to the 30 pin connector. Mfg could supply the velcro, its such an obvious idea. So maybe a 1/2 star deduction.
Output:
Positive Review