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: Have you shared the TV commercial with your friends? It only takes a second and it can make a huge difference. Just click "Share" below the video and your Facebook friends can see it.  Responser: noticed the commercials yesterday and really enjoyed them They had my attention!!
