Analyze the tweet "I wonder what American city will be next to protest about police shootings. Who's next? Smh. #whenwillitstop  #howmanymoretimes" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
anger, disgust, fear, sadness