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: #SetPicSaturday Did you know that even the horses rehearse before their scenes? Here is one of our wranglers preparing the horses for an upcoming scene days later.  Responser: Yes I could have sat with you. Middle 4 th row up .I sat on the end on an aisle.
