Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
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