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: It was very hard to stifle my laughter after I overheard this comment. It really is amazing in the worst ways.
This tweet contains emotions: 
joy