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: Once I have sent a pitch to a brand I close all tabs relevant to them instantly. Thats the kind of detachment I create for myself. #serious
This tweet contains emotions: 
sadness, surprise