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: Big jump + calm weather + a good crew = an epic session!! :D : @blakejorgenson : @noahmorrison2 : @bushywayne : @JamesWoodsy : : @WhistlerBlckcmb : @momentumcamps  Responser: if their playing x.s and o.s the X,S won hahahahah
