Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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