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: Happy Easter I guess? http://www.vanityfair.com/news/2017/04/donald-trump-north-korea-strike?mbid=social_facebook  Responser: He's gonna get a lot of people killed b 4 this is all over
