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: Good luck to Coach of the Year Norm Bazin and the UMass Lowell Riverhawks against Yale today at 4:30 in the Frozen Four NCAA tournament! National title here we come, Go Riverhawks!  Responser: Thank you for your support, Congresswoman Tsongas!
