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: The real reason Jeb quasi-announced today? He's trying to be a different kind of candidate. http://bloom.bg/1AihDMb  Responser: Mark Halperin is such a Republican apologist turd.
