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: I thought I'd share this photo of my very sad puppy. She was spayed today. She's was sitting with the cone resting on the carpet but I got her to look up for the photo. Poor girl :(  Responser: such a cute puppy Alisha
