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: Looking forward to my live video Facebook chat today at 5pm ET. Thanks for all the questions! Feel free to leave more in the comments.  Responser: This is the voted off, sing for your supper thread.
