Please analyze the tweet "@EurekaForbes U got to b kidding me. Anu from your firm responded  when I sent the contact details.  #customerexperience" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anger, disgust, sadness