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: Head over to Koat.com and vote for Michelle in the poll. It's clear she won the debate and will be the strongest candidate to win in November.  Responser: Great work and a clear victory tonight!
