Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: 15 minutes of yoga to your breakfast routine will change your day #preparation #sunriseyoga #bodyawareness #health #yoga #smile #stretch
This tweet contains emotions: 
joy, optimism