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: What a sad evening - clearing out all of Harvey's cage and belongings. Now so final. Goodbye my little man.... #depressing
Emotion: sadness
Intensity class: 