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: Happiness is always there. You just have to choose to see it. There's no point dwelling in the dark and ignoring the light of the stars.
Emotion: sadness
Intensity class: 
0: no sadness can be inferred