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: Why wait until November 4th? Early Voting Polls are OPEN NOW!  Responser: Voted for you and Ms. Landrieu today as well. Best of luck to both of you!
