Task: Categorize the tweet based on the intensity of the specified emotion E, capturing the tweeter's mental state. 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: I don't know why everyone is pretending to be sad about angelina and brad, everyone knows his dumb ass should've stayed with jennifer.
Emotion: sadness
Intensity class: 
0: no sadness can be inferred