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 Warm Bodies sequel finally has a cover! And if you order it now you'll get weird gifts! Let me explain... https://t.co/uNznt1BLFR #warmbodies #theburningworld  Responser: The fact that this book comes out in my birthday has made me so happy! As soon as I can get a moment I plan to pre order! Can't wait to read it
