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: New Balance Indoor Grand Prix Boston, MA - February 8th, 2014 NBC Sports 4:30 - 6:00 EST Women's 60M - 4:33p ___________ Hey guys! This is the information for my first race this weekend in Boston! DVR or tune in! Thanks for the support in advance!  Responser: Yes!!!! Knock em out!!!
