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: Check out my op-ed is in the Washington Times today. A 'cut, cap, balance' approach to our debt must be enacted to ensure that this is the last time we ever reach our debt ceiling.  Responser: I shared this on my wall so my liberal friends in other areas would see how lucky we are to have you working in Washington. Happy 4th, Rep. Schweikert!
