Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: @EurekaForbes U got to b kidding me. Anu from your firm responded  when I sent the contact details.  #customerexperience
This tweet contains emotions: 
anger, disgust, sadness