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: @Will_0004 No justification for shooting without provocation, even if the person has a bad history. Justification is not the way to go
This tweet contains emotions: 
anger, disgust, sadness