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: Like keep grinding boy your life can change in one year, and even when it's dark out the sun is shining somewhere...'
Emotion: sadness
Intensity class: 
0: no sadness can be inferred