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: Congratulations to the 2014 World Series champions: our very own San Francisco Giants! We are #OctoberTogether! #ChampionsTogether  Responser: Congrats NANCT P wee can do so many help for people if wee are to gather its make big change
