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: it gets better. without explanation; you just wake up one morning and you’re just happy, totally and utterly elated.
This tweet contains emotions: 
joy, optimism