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: The UK cover of THE SILENT CORNER is ready to share for my UK fans! Out on 29th June but you can pre-order here: http://amzn.to/2l1iAK3  Responser: Is this out now in the US
