Task: Identify the emotional nuances in the tweet, classifying it as either 'neutral or no emotion' or as one or more of the designated emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that accurately reflect the expressed sentiment.
Tweet: @AppleSupport worst customer service. 3days to get a diagnostic appt?! #disappointing #ittakes3minutestorunadiagnostic
This tweet contains emotions: 