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: Tomorrow is qualifications to New Zealand Freeski Open! Also begining of this year's #AFPWorldTour ! :D  Responser: Wish u all the best....kick some !!! :D
