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: The animosity toward Hillary comes from conspiracy theories and perception, the animosity toward Trump is based on what he says and does.
This tweet contains emotions: 
anger, disgust, optimism