Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @barbarasgarden Thank you oh so much. There are many challenges but much rejoicing! ✨
This tweet contains emotions: 
joy, optimism