Task: Examine the tweet to determine its emotional content, assigning it to 'neutral or no emotion' or one or more of the listed emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best describe the tweeter's feelings.
Tweet: So Perez has lost his number 9 shirt. Arsenal's treatment of him is disgusting. Ashamed of the club.
This tweet contains emotions: 