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: @DumTeeDum don't think Ian knew of Pavel. He knew about Charlie. I bet Rob will cackle with glee when he heard what has happened #thearchers
Emotion: joy
Intensity class: 
0: no joy can be inferred