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.

Example input: Poster: Stopped by Fashion Week and got to hang with Amber Fillerup (Barefoot Blonde) at Lauren Conrad's runway show. Kohl's #LCRunway   Responser: You are Both Sweet Ashley Tisdale and Lauren Conrad
Example output: Positive
Example explanation: The responser is praising the poster.
Q: Poster: Congratulations to my friend and colleague Tim Scott from South Carolina on his appointment to the U.S. Senate.  Responser: I guess you guys just didn't feel like working anymore, huh?
A:
Negative