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: Rosa is taking taking #RosaOnTheRoad to West Haven's Duchess Diner today at 12:30. Come join and talk about what's on your mind!  Responser: Alabama / all, A.I. Obama legalize cannabis
