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: If I was a ghost I'd haunt people by giving them cramps in both of their legs when they do cardio 😈😈😈 #Mwahaha
This tweet contains emotions: 
fear, joy