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: Having a baby born too soon is #lifechanging 6 years on and it feels like only yesterday #sad #happy #angry #emotionalrollercoaster
Emotion: anger
Intensity class: 
0: no anger can be inferred