Instruct: Classify the given review into positive or negative sentiment.
Query: Keeps you guessing till the end.

This film has one of the best endings ever. The build-up is exciting (albeit a little violent) and the climax is guaranteed to leave the audience breathless. Kevin Spacey shines, with his mesmerising acting. It is very difficult to review this film without giving away the suspense, hence I am not going to try to. If you like suspense and do not mind a little violence, then this is a must-see film.