Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
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