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: @stevesingiser @POLITICO_Steve Put a damper on my mood.
This tweet contains emotions: 
anger, disgust, sadness