Determine the emotional tone of the following tweet: "I am often disturbed by what some people find appropriate or acceptable. It's not funny nor cute that adults find this stuff humorous. #sad". 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".
disgust, pessimism, sadness