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: Walker Stalker convention in Atlanta  Responser: Ron T. Young they turned out good...I need them on a jpeg thing, my people did them for me at Staples but they missed a couple I wanted and my computer was trip pen and wouldnt allow me to save them
