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: @charles_gaba No, I am probably the person most likely to completely understand how gobsmacked you were to learn how true that is. #sadly
This tweet contains emotions: 
pessimism, sadness