Determine the emotional tone of the following tweet: "@_iConceitedOne_  Hi! We hate that you're unhappy your bill keeps going up! What unique features do you want with your plan? ^RobertS". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
disgust, optimism, sadness