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: Here, you can watch my update on the upcoming debate in Congress on a Balanced Budget Amendment.  Responser: Tax credit unions. That is if you breathe the same air in the same county and can be a member.
