Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: .@SimonNRicketts if you don't know what a patronus is, I don't think we should have to tell you
This tweet contains emotions: 
anger, disgust, sadness