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: I'm trying this alarm for the early wake up. Let u know how it goes. I may or may not be there at 4am. :)  Responser: Good night, Lourdes....hugs
