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: Can't shake it off http://www.whosay.com/l/HTAaawC  Responser: Only a blank space between ya's, prepare for crazy love story Chris.

Positive