Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Riding at night has got to be one of the most exhilarating, refreshing things I have ever done.
This tweet contains emotions: 
joy, optimism