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'll be in Chanute and Oswego next Monday, March 12th for my 56th and 57th Congress to Kansas listening sessions. Find more details on my website.  Responser: We look forward to seeing you in Chanute again!
