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: @littlepieces Customer services got involved and eventually completely wash their hands of it. #awful #dreamornightmare
This tweet contains emotions: 
anger, disgust