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: A pre-#Joaquin New Day begins in #NYC... it's 6:45 in the east. #NewDay  Responser: gorgeous picture Chris
