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: Had good Town Hall in Warrensburg this morning. Am heading to Sedalia next. Hope you can come.  Responser: baffoon, idiot, dumb. The intelegent conversation continues.......
