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: WIN my whole setup from Salomon Freeski !! #Skis , boots & bindings this month!! Good luck! :D http://mpora.com/win/AAdmgw730c20  Responser: are those the 2014 solly's?
