Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: #DamilolaOurLovedBoy So upsetting 😢😢. Why do people want to hurt others! Such a cruel world we live in #heartbreaking
This tweet contains emotions: 
anger, disgust, pessimism, sadness