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: Ultimately, #KeithScott wasn't the man they were there to hand an arrest warrant to. That's what we know. That's enough to cause outrage.
This tweet contains emotions: 
anger, fear