Analyze the tweet "@escotony sorry to hear about your experience, however, please do not hesitate to contact us via live chat or email at askdysonUS@dyson.com" 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".
anticipation, optimism, sadness