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