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: Thanks to the Professional Firefighters of Massachusetts, Executive Board for endorsing my candidacy, appreciate the support.  Responser: This is good news. I have a question, will you sign the Fight Washington Corruption Pledge? 114 candidates and members of Congress have already signed, and I hope that you will be one of the names to increase that total.
