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: Another great article on Psychophonia movie. Thank you Dread Central http://www.dreadcentral.com/news/83122/psychophonia-wraps-massive-behind-scenes-image-gallery/  Responser: Bloody butchery....but cool
