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: U know u have too much on ur mind when u find yourself cleaning a stove and kitchen by yourself  at almost 3am...  #pensive
Emotion: sadness
Intensity class: 
2: moderate amount of sadness can be inferred