Task: Assess the emotional content of the tweet and classify 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 best represent the tweeter's mental state.
Tweet: @thehill George H. Establishment is unhappy Trump's campaign branded his son low-energy, but he could not have beaten the others either.
This tweet contains emotions: 
disgust