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: Boehner says cut Social Security to pay for wars in Iraq & Afghanistan--what could be more reckless and obscene? http://bit.ly/adGNiG  Responser: This guy is is apparently losing it....exposed for the stool pigeon that he is...possibly too much time in the tanning booth.
