Determine the emotional tone of the following 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 #unhappy". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
anger, sadness