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: @AerLingus #business class #Los Angeles to Dublin #destroyed luggage #60 day customer response time #unhappy customer
This tweet contains emotions: 
anger, disgust, sadness