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 student debt crisis is holding back an entire generation and creating a drag on economic growth for Wisconsin. It demands action.  Responser: A picture is worth one thousand words! This is what you all are doing to the taxpayers! https://www.facebook.com/percy.wolf/posts/10207395535720149 We are taxed enough! This is what the average taxpayers refrig looks like! Let's see yours!
