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: Took my kids here last week ummm this looks safe, right?  Responser: We loved the Infinity Maze! I certainly hope it's safe, because I had my kids, my nieces and nephews, and even my grown up self on there in January. :)
