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: Angry shouting match between a #pessimist &amp; an #optimist:\n'You're a half empty-headed @%$!' \n'You're half full of @%$!'
This tweet contains emotions: 
anger, disgust