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: We have the opportunity to move away from the gloomy nihilism that characterizes the reign of our deeply patriarchal, dominator culture.
This tweet contains emotions: 
anticipation, joy, optimism