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: @jennylhowe I am angry at the student for being a racist, and the teacher for not stopping it, and at the class for letting it go by.
This tweet contains emotions: 
anger, disgust