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: @KeithRothfus Your silence=complicity. Obviously you have no problem with Russian interference. #sad #russianhacking #treason
This tweet contains emotions: 
disgust, sadness