Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @KeithRothfus Your silence=complicity. Obviously you have no problem with Russian interference. #sad #russianhacking #treason
This tweet contains emotions: 
disgust, sadness