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 have officially requested that my pay be withheld until an appropriations agreement has taken effect.  Responser: You're a stand up guy. I'm proud of you. Obama's turn!
