Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: OSCAR NOMINATIONS (Best Movies) American Sniper, Birdman, Boyhood, The Grand Budapest Hotel, The Imitation Game, Selma, The Theory of Everything, Whiplash. THOUGHTS?  Responser: Grand Budapest Hotel
