Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately 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