For the tweet "Because of 'failure of delivery on time', a customer has to pay 16K rupees more! - Not good @tiagotatamotors @TataMotors #unhappy", classify the emotional tone using the following list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotion is discernible, state "neutral or no emotion".
anger, disgust, sadness