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: Hey everyone, I'm in Bangkok training for a few days before going to my last three WTA events of the year: Guangzhou, Beijing, and Tianjin. So much has happened this year it's been a whirlwind, I can't believe it's the end of the season already! Thanks everyone as always for your support! X  Responser: Good luck little warrior!
