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: @jwonder81 @MacadamionNut well of course.Progress for the sake of progress must be discouraged. The problem is the substance of the rhetoric
This tweet contains emotions: 
disgust, sadness