Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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