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: @tomderivan73 😁...I'll just people watch and enjoy a rare show of optimism
This tweet contains emotions: 
anticipation, joy, optimism