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: As the birds chirp and the cows moo we need to listen to the sound of nature to ensure that all is well.
This tweet contains emotions: 
joy, optimism