Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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