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: Over $2M raised this cycle! We can't do it without you! http://hawaii.news.blogs.civilbeat.com/post/55011511440/schatz-says-hes-hit-2-million-in-fundraising  Responser: Congratulations Brian! Let me know where I can send my contribution! Even though I live in California, Steve and I always want to support the good guys - regardless of the state.
