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: The official ASHLEY BELL trailer is here! The mystery unfolds 12/8/15. http://ashleybell.info/  Responser: Find it a bit confusing but is all coming together
