Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @residentadvisor thanks for getting back to me, exemplary customer service for a loyal customer #jk  #residentadvisor #poorservice
This tweet contains emotions: 
anger, disgust