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: You are a re-presentation of all that is in a unique, unrepeatable way!  Responser: Hope 2 c u @ the Game Friday ? Rev. A Brotha is workin hard !!!!
