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: Happy to be back on court! 2016 season I'm almost ready for ya ;)  Responser: You are definitely a rising star. I hate to say that, but believing in yourself is not enough; you'd have to visualize yourself being number one will get you to... number one. All the best.
