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: whenever I hear concert postponed I think of dismal ticket sales   green day ?
This tweet contains emotions: 
anticipation, disgust, sadness