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: Brad Pitt being investigated for child abuse?! this all just got really #dark
This tweet contains emotions: 
anger, disgust, sadness