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: My #CNNDebate report cards: Fiorina A, Carson B+, Trump B+, Bush B, Rubio B. Full candidate report cards here.  Responser: Trump a B+.... Halperin... You are part of the problem... Trump has #NoForeignPolicy 45 minutes of silence.... Which was nice because when he does speak America becomes collectively dumber!
