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 into Lou Dobbs Tonight on Fox Business at 7:10 pm ET to catch the latest on the DOJ's attempts to dodge questions regarding who is responsible for Operation Fast and Furious.  Responser: Watching u now! Keep putting preasure on Holder, they know wat they were doing
