Analyze the tweet "@freemanstanzan2 you're a cowan... that means you're a slimebag. I wouldn't trust you as far as I could throw you. #arsehole @StuartHarker1" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".