Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: @paulsherard @margarethaynie wow I just realized how much of a sexist pig I am! I am truly sorry to anyone I offended
This tweet contains emotions: 
anger, disgust, pessimism, sadness