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: @SussexMistress @sarahb45 @MsEvilyne @MissJessicaWood I'd be perched on that, unfortunately wrapped in heavy chains! #sink...
Emotion: sadness
Intensity class: 
1: low amount of sadness can be inferred