Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Lea doing a mini set tour of glee my heart just cried tears of happiness and sadness
This tweet contains emotions: 
joy, love, optimism, sadness