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: I'm sitting here pondering my next @ evil_ anon blog posting. Wondering where to start with all the sh@t of the day. What makes u maddest?  Responser: Christian self-righteousness. Of course, I hate all self-righteousness. But some Christians seem to be much more proficient at it.
