Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @EurekaForbes U got to b kidding me. Anu from your firm responded  when I sent the contact details. #terrible #customerexperience
This tweet contains emotions: 
anger, disgust