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 attending the inauguration not to celebrate who is taking the oath, but to live up to mine. And by doing so, I hope to set a good example for all I'm privileged to represent.  Responser: Very disappointed in your decision Congresswoman Anna Eshoo to attend the inauguration. I guess I was mistaken when I voted for you. You don't represent me or anything that I stand for.
