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: TUNE IN! I'll be on the Sean Hannity radio program live at 3:35PM today -- airs at 6:30PM on WRVA in Richmond.  Responser: I heard you in Hannity! Keep up the great work!
