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: 15 minutes of yoga to your breakfast routine will change your day #preparation #sunriseyoga #bodyawareness #health #yoga  #stretch
This tweet contains emotions: 
joy, optimism