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: The Twins are planning to recycle and compost 90 percent of their waste this season. I got a chance to see the effort of a tremendous staff up close at Target Field today.  Responser: Excellent! All of our businesses need to become so environmentally conscious and responsible! :)
