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: Old saying 'A #smile shared is one gained for another day' @YEGlifer @Scott_McKeen
This tweet contains emotions: 
joy, optimism, trust