Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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