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 is GORGEOUS today & i have a million things to do! lol! how are you guys? Facebookers you guys awake yet? i know you are, you never sleep!  Responser: You must be also Paula????
