Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Coworker: 'That happened to a friend of mine once, but with guns instead of babies.' #workplace #hilarity
This tweet contains emotions: 
anticipation