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: @__lucymellor No idea, just exhausted and I was tidying my room and just burst out crying ... fs
This tweet contains emotions: 
pessimism, sadness