Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
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