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: Who was your favorite teacher growing up? http://hellogiggles.com/mrs-h-third-grade-teacher  Responser: I liked all my teachers. Nobody picked on me. I was given respect which I returned back.
