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: Have you listened to The Burning World book soundtrack yet? Brace for feelings...  Responser: Just bought this book , looking forward to taking time out and loosing myself in its pages.
