Task: Analyze the tweet to determine the degree of emotion E expressed by the user. Classify it into one of four intensity levels. 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: @vspearson85 @tjathurman I can do it too, though it also happens involuntarily when I'm really tired or really bored, which is irritating :S
Emotion: sadness
Intensity class: 