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: #twitter #users Tweeting on twitter is like playing a game against the computer. Where's the life, Everyone too #afraid to say something?
This tweet contains emotions: 
disgust, fear, pessimism