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: When you're trying to take a selfie with Mishka the Husky but mom walks in with treats. "Don't move, MF'er"  Responser: She wants potatoes! :3
