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: sorry i left you hanging @Facebook friends! lol! i wanted to know who was awake then got called away! came back & saw EVERYONE was up! xoP  Responser: how ya doing gal???ur one hot lady!!!!!!!
