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: Hurray for Maui's own Shane Victorino who just hit a huge grand slam to put the Red Sox ahead in the ALCS game!  Responser: What a great game !! Also HAPPY BIRTHDAY YOUNG MAN. I think it's today otherwise happy birthday whenever.........
