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: "Our teachers and firefighters are not the reason Ohio's budget is in trouble. Join me in voting NO on #Issue2."  Responser: Already done! NO on 1, 2 and 3.
