Classify the emotions found in the tweet "Angry shouting match between a #pessimist &amp; an #optimist:\n'You're a half empty-headed @%$!' \n'You're half full of @%$!'". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
anger, disgust