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: Happy New Year, everyone! #2015BestNine  Responser: Happy New Year sir! Miss the laughs but I do enjoy seeing you on YOU TUBE. Enjoy your day and please be well. Allonsy!
