Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: I'm wearing yellow today to bring a little sunshine to this gloomy day #yourewelcome
This tweet contains emotions: 
joy, optimism, sadness