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: This is not a good look. http://youtu.be/SGSrGmHsT8s  Responser: Wow.... My sister is a police officer, and as much as people have said some pretty horrible things to her, would she ever speak to someone like that
