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: @Beau James Wells totally killing it in NZ ! Wowsa cakes mate! Mega STEEZE !!!!! http://vimeo.com/m/51272520  Responser: Wowsa cakes ay Woodsy!!! YESSSS
