Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: It's now September and we're still battling a situation that was said to be handled March of this year. @ATT this is unacceptable
This tweet contains emotions: 
anger, disgust, sadness