Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @Senpai_Vanilla This would be the height of hilarity, were it not for the fact that the adult swan is highly likely to attack.
This tweet contains emotions: 
joy