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: smiling through the stress :) :) :) :) :) :) :( :( :( :( :( :( :(
This tweet contains emotions: 
joy, optimism, sadness, trust