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: 18' \nMichael Carrick as struck the back of the net much to the delight of under pressure man u fanz and MOU...
This tweet contains emotions: 
sadness