Determine the emotional tone of the following tweet: "I mourn. ha..r / ambe was ruined. what was once an ongoing shitpost about Tony's crimes was hijacked by not so vaguely racist memers". 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, disgust, pessimism, sadness