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: TheNiceBot: melbjs ;) Here is a smile and a wink from across the web. #TheNiceBot
This tweet contains emotions: 
joy, optimism