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: The NBA season starts today and my Knicks join my Clippers in eagerly anticipating next year  Responser: Our Knicks can make the playoffs this year if things go right, dude. It's not great, but there are like 4 open spots in the East. As far as your Clippers go...well, yeah, they suck.
