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: I will be LIVE tomorrow morning at 8:00AM CT on the Fox News Sunday show with Chris Wallace talking about immigration and other important issues facing our nation. Be sure to tune in!  Responser: I don't think Chris Wallace is much of a liberal..
