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: @FitnessFirstAU something needs to be done about people hogging machines - nobody can use 3 machines at one time! #angry #notfair #whypay
This tweet contains emotions: 
anger, disgust