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: @TMobileHelp my service is down in Cleveland, OH. What's going on? #unhappy
This tweet contains emotions: 
anger, disgust, sadness