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: en route to Las Vegas, Nashville and Memphis working on my next Fox News special "Elvis at 80"  Responser: The king lives on! My late mother in law was a huge elvis fan. She was 81 and we inherited her mustang convertible with elvis plates!
