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: Like the President has observed, you don't have to say anything against the Donald because every time he talks, he makes the case against his own candidacy.  Responser: Victory, in Democracy....Hillary Clinton.
