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: Isakson, Chambliss Continue Fight Against President Obama's Questionable 'Recess' Appointments  Responser: Even though I know at least Chambliss voted for the NDAA act... Let's make sure he's gone, Georgia!
