Task: Identify the intensity of emotion E conveyed in the tweet and assign it to the corresponding category. 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: Negative self-talk in #depression can extend to sleep, with catastrophic thinking about the impact of poor sleep fueling insomnia.
Emotion: sadness
Intensity class: 