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: Looking forward to seeing friends in Wilmington tonight! What do you think of today's news in NC politics?  Responser: Hey, David, since you're in the neighborhood ... still looking for that meeting!
