Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Too many are on their 'yeah, the thing going on with cops shooting innocent people is sad - but just not in my backyard, so..'  #blm
This tweet contains emotions: 
anger, pessimism, sadness