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: Lmao Janet Reno is straight up gonna sue me. Watch me literally define ratchet and FUPA on Fusion's AM tonight http://fus.in/1uhsWDi  Responser: You can't rap without a water gun hehe
