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: Johnny will be on Bloomberg TV momentarily to give his reaction to the president's press conference.  Responser: LOL @ Ernest. GET OUT OF MY WALLET!!!!!! The President doesn't know how to lead.
