Analyze the tweet "Even after @O2 ref the £5k fraud, they still treat me like dirt. No returned calls or apology #shocking #customerservice @mse @resolvercouk" 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