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: Great day in #BaskingRidge with @CommInCrisis as we went door-to-door to #KnockOutOpiateAbuse. https://t.co/glIvqH3k7u  Responser: https://www.facebook.com/groups/EndOverdoses/permalink/1801913370023107/. Another video of your visit today. I tried emailing it, but the file was too big
