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: 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