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: Happy Flashback Friday! Sending everybody love this gorgeous Friday ! Have an exciting, fun-filled weekend! xoP #PaulaAbdul #weekend #fbf #flashbackfriday #tgif #havefun  Responser: Head Over Heels days!
