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: @Cmdr_Hadfield CNN's Wolf Blitzer calls you an American astronaut and you don't correct him? #dissapointed
This tweet contains emotions: 
disgust, pessimism, sadness