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: @DFSCare apparently you are to contact me. Sofas were meant to be delivered today. Old ones gone. Sitting on floor. No sofas!
This tweet contains emotions: 
anger