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: Explosive!! Greenleaf OWN Wednesday 10:00pm!!!!!  Responser: WOW! This is kind of sad this time. :0(
