Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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