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: Talked with constituents this morning at the First Baptist Church of Central Florida's Eighth Annual Central Florida Mature Adult Celebration. I appreciated hearing their thoughts and comments as I return to Washington and seek to discuss our differences and reopen the government.  Responser: Speaker John Boehner: (1) if Democrats refuse to negotiate on the debt ceiling, Republicans will hurt Americans on purpose. And (2) if Democrats enter negotiations, Republicans will accept no concessions.
