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: Busy day in Maine today ... VFW conference in Bangor, new business opening on Brunswick Air Station site, and Traip Academy graduation in Kittery. Beautiful day for it  Responser: Congratulations on your marriage this weekend Chellie!
