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: Studying the phases of oscillation. How jovial. 😐🔫
This tweet contains emotions: 
anticipation, disgust, pessimism