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: Get a little dirty, scratch that, get plenty dirty with me in my new comedy special, Just Being Honest, premiering on EPIX Sept 10th.  Responser: Will be watching, just how I like it a little dirty!
