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 Hockey East Coach of the Year Norm Bazin and the UMass Lowell River Hawks in tonight's Hockey East championship!  Responser: Can you please tell me what is happening with Question 21 on security clearance form? Why are combat, grief, and family counseling exempt but sexual assault is not?
