Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent 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