Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @lebara - worst possible decision I could have made when arriving in the UK. Shocking service. Poor coverage. #unhappy
This tweet contains emotions: 
anger, disgust, fear, sadness