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: CAMPUS CRAZINESS: Universities create nap rooms to combat an apparent "sleep crisis," plus a student group wants to ban police because "blue lives don't matter."  Responser: Do they provide milk and cookies also?
