Analyze the tweet "@SalterUK second pair of scales I have bought that have stopped working after battery change. Is this an issue you are aware of?  #unhappy" 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, pessimism, sadness