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: If you're ever in Jackson County, be sure to check out my weekly op-ed in The Jackson Herald.  Responser: The National Association of REALTORS just formally approved me to represent you as an FPC!
