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