Task: Categorize the tweet into an intensity level of the specified emotion E, representing the mental state of the tweeter. 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: A @FirstBSA not turning up? Why am I not surprised. Late for work again! #fuming
Emotion: anger
Intensity class: 
3: high amount of anger can be inferred