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: I'm appearing on CNN with Wolf Blitzer at 1:25 pm ET to discuss our fight to defund Obamacare and avoiding a government shutdown. Make sure to tune in!  Responser: Who cares if government shuts down? Stand for what we asked you to do no matter what. Yes, I know you will.
