Classify the emotions found in the tweet "@_iConceitedOne_  Hi! We hate that you're unhappy your bill keeps going up! What unique features do you want with your plan? ^RobertS". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
disgust, optimism, sadness