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: Reminiscing on one of the best days shredding ever!! #JWBigAir Was SO RAD - here's a vid of my switch triple cork 1440 Octo grab :D Monster Energy Salomon Freeski Planks Clothing SunGod BAWBAGS underwear  Responser: Charles Chirnside Wu Tang Wij Travers Danny Baker Mitch Frankland Clinton Geissler
