Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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