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: @lebara - worst possible decision I could have made when arriving in the UK. Shocking service. Poor coverage.
This tweet contains emotions: 
anger, disgust, sadness