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: @Fly_Norwegian quite simply the #worst #airline #worstairline I've ever used!  #appauling  #dismal #beyondajoke #useless
This tweet contains emotions: 
anger, disgust