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: Honored to receive an A+ for supporting #DACA and hardworking #Dreamers. #VA4DACA http://www.allianceforcitizenship.org/scorecard  Responser: buying votes...that's the liberal way
