TASK DEFINITION: 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
PROBLEM: This story of unrequited love does n't sustain interest beyond the first half-hour .

SOLUTION: NEG

PROBLEM: True to its title , it traps audiences in a series of relentlessly nasty situations that we would pay a considerable ransom not to be looking at .

SOLUTION: NEG

PROBLEM: Thriller directorial debut for Traffic scribe Gaghan has all the right parts , but the pieces do n't quite fit together .

SOLUTION:
NEG