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: First break in weeks and treating myself to catching up on @SHO_Homeland Season Two. This show gets better every minute.  Responser: Next read all of Daniel Silva's books.
