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: Congressman Leonard Lance is leading the way to better mental health care. http://t.co/ZGJDeNmiDI  Responser: 8 Million people disagree. $19,000 a minute each and every minute thats what it costs you and I for Congress to continue to play partisan games. $19,000 a minute #RenewUI
