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: @GuardianAus @guardian because there is a realistic probability that a clown might be their next president. #clown #uspol #nightmare
This tweet contains emotions: 
disgust, fear, sadness