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: You think OJ Simpson is excited for all the Emmy nominations. "The people versus OJ Simpson got today. Just asking . http://www.whosay.com/l/ifcbRyZ  Responser: Simpson's a dickhead, plain and simple.
