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: #TerribleDebateQuestions Madame Secretary, isn't it true that Russia is behind all terrorism?
This tweet contains emotions: 
anger, disgust, fear, sadness