Please analyze the 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" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anger, disgust, sadness