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: NEW VIDEO!! DRINK SOME GRAIN ALCOHOL AND WATCH MY NEWEST COLLAB WITH Studio APA FOR FLU SHOT!!!!!!!!!!! ITS ANIMATED WHICH MEANS NO PIGS WERE ACTUALLY MOLESTED IN REAL LIFE......................... http://youtu.be/YK9ZjAVMIuQ  Responser: were you high or something?
