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: Here's some good news to kick off the weekend: Dean is releasing a NEW original e-short story, "The Neighbor," on June 3!  Responser: cool I love both of their books they keep me on the edge of my seat
