You will be given a definition of a task first, then some input of the task.
In this task, you are given product reviews about dvds. The goal is to classify the review as "POS" if the overall sentiment of the review is positive(the reviewer is satisfied) or as "NEG" if the overall sentiment of the review is negative(the reviewer is not satisfied).

Great DVD! . DVD received ahead of schedule.  New DVD in original package, great picture quality; better that original verson.
Output:
POS