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