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: Tied for 2nd place in the Rising Stars event here in Singapore! Last round robin match tomorrow. Having a blast! I can't thank you guys enough for voting for me and giving me this opportunity!  Responser: Go Shelby Go...... Good luck to your match later this afternoon.... Met Bryan this morning at the Coaches Conference..... Go for GOLD Shelby!!!
