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: Very disappointed that we're needlessly delaying clean air standards that protect Maine from mercury and other toxins. The work to update our power plants was creating jobs. Bad decision for our health and economy.  Responser: Bad decision to go on recess while we starve here in Maine, too.
