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: John Lewis is a hero who has given his life to equal rights. He's been locked up, beaten up, spit on and still never lost his fight.  Responser: What are you getting out of attending the Inauguration, on must ask.
