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: Biggest joke in life? Kardashian and Jenner stans. Their lives are so dull, parents must be so proud.
This tweet contains emotions: 
optimism