Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced by the user. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: Old saying 'A #smile shared is one gained for another day' @YEGlifer @Scott_McKeen
Emotion: joy
Intensity class: 
1: low amount of joy can be inferred