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 going on the House Floor now to ask everyone in America to share their ideas about how to keep America great. Watch me here: http://ow.ly/592fG  Responser: Great job!! You are needed in Washington. Thanks for representing the people!
