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: Very little sleep, a few laughs and some political talk with Carl Bernstein, MaryKatharine Ham & Mark Preston #RNCinCLE #GOPConvention  Responser: Pursue Trump's taxes so his supporters can maybe see the fraud that he is. Hurry!
