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: At the start of The Race to Remember  Responser: Another rain day for the race, but the runners seemed to enjoy. Congratulations to all runners and walkers. Race over and all can return home and dry out. Another wonderful day in OKC.
