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: "Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties." - Abraham Lincoln  Responser: This would made a great Wanted Poster!!!!
