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: "Trixie was the perfect writer's dog. Anna just wants to be on my feet, in my lap 24/7." https://www.youtube.com/watch?v=URsqH3bzR68  Responser: Still reading all your books...just finished The Good Guy and now reading Eyes of Darkness.
