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: Hanging with @crystalNBCLA & @LAKings fans waiting for the #StanleyCup victory parade to start. Watch LIVE on @NBCLA at 11am #gokings  Responser: Seems like just weeks ago you were cheering in the Blackhawks. :(
