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
Input: The star who helped give a spark to `` Chasing Amy '' and `` Changing Lanes '' falls flat as thinking man CIA agent Jack Ryan in this summer 's new action film , `` The Sum of All Fears . ''

NEG