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: Holiday gift ideas: Duct tape -- the gift that keeps on giving...  Responser: I thought the jelly of the month club was the gift that keeps on giving all year long.
