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: #LethalWeapon A suicidal Vet with PTSD... so FUCKING FUNNY.... let the hilarity begin...
This tweet contains emotions: 
joy