Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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