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: It snowed again last night! Ugh! When is spring finally going to arrive?! I'm ready!  Responser: That is crazy. I'm glad it stayed up north although it was 25 here this morning.
