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: someone high-five this kid. way to be, kid. way to be. http://imgur.com/1TQYpCx  Responser: We could only hope!!
