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 stand with John Lewis and will not be attending the inauguration. Russian hacking must be investigated and I do not support the repeal of ACA.  Responser: Thank you Congressman Evans. I support you desire to investigate how Russia may have affected the presidential election. I also support any efforts to begin to hold Donald Trump accountable.
