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: Earlier today, I joined Governor Rick Scott, CDC Director Frieden and other House reps to update the media on the Zika threat in my district. I will not rest until we stop the spread of Zika.  Responser: Sorry to say we never do prevention it's always to little to late, think AIDS , TB and other global health issues. We are global and it's time to fully fund USAID and other efforts to respond to global health issues.
