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: White Americans are worried about Arab terrorists. Black Americans are fearful of a terrorist in a Police uniform on a daily basis.
This tweet contains emotions: 
anger, disgust, fear