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: It's that time again!! TRACK SEASON! My first indoor meet will be FEBRUARY 8, 2014 in BOSTON This is a televised meet, so I'll be sure to come back and update you guys before then. Looking forward to a great, healthy year on the track! Thanks for the support thus far and in advance!  Responser: Courtney - Thank you! I will
