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'm supporting the DOTCOM Act introduced today by Congressman John Shimkus to review the Commerce Department's plan to relinquish U.S. Internet oversight. We can't let the Internet turn into another Russian land grab.  Responser: The masses also cannot afford to relinquish it to your .01% Marsha.
