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: Never fear the want of business. A man who qualifies himself well for his calling, never fails of employment.
Emotion: fear
Intensity class: 
0: no fear can be inferred