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: Watch the video of my appearance on The Rachel Maddow Show to see how I think we can stop sexual assault in the military.  Responser: Please Claire if you Love the children of the future...Stop GMO's~Please
