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: God just replaced my sadness with laughter, can't go the whole day sad ...
This tweet contains emotions: 
joy, optimism, sadness