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: Can't wait to hear The Nadas play at the Roast and Ride on Saturday. Tickets are still available but going fast! Get them at www.RoastAndRide.com  Responser: Will Mrs. Kyle and Marcus Luttrell be at the Roast & Ride?? Like Reply
