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: On International Women's Day -- and every day -- let's look not at what we get from life but what we give to life. #IWD2017  Responser: https://www.facebook.com/Medicare-For-All-200934360382643/
