In this task, you are given sentences from movie reviews. The task is to classify a sentence as "POS" if the sentiment of the sentence is positive or as "NEG" if the sentiment of the sentence is negative

The movie is hardly a masterpiece , but it does mark Ms. Bullock 's best work in some time .
POS

A moving and weighty depiction of one family 's attempts to heal after the death of a child .
POS

This is a heartfelt story ... it just is n't a very involving one .

NEG