Analyze the tweet "@paulsherard @margarethaynie wow I just realized how much of a sexist pig I am! I am truly sorry to anyone I offended" 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".
anger, disgust, pessimism, sadness