Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Brad Pitt being investigated for child abuse?! this all just got really #dark
This tweet contains emotions: 
anger, disgust, sadness