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

A three-hour cinema master class .
POS

The whole thing feels like a ruse , a tactic to cover up the fact that the picture is constructed around a core of flimsy -- or , worse yet , nonexistent -- ideas .
NEG

Skillfully weaves both the elements of the plot and a powerfully evocative mood combining heated sexuality with a haunting sense of malaise .

POS