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: My goal is to make flood insurance accessible AND affordable. Even if the President opposes it, I will fight to protect Louisianans.  Responser: what can you do about Obamacare? my insurance changed and my prescriptions doubled in price.
