Task: Classify the tweet into one of four ordinal classes of intensity of emotion E that best represents 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: @X_KIMTAEHYUNG_X \n— momentarily before it disappeared, only solemnity and anxiety lacing his features. \n\n'I ran out to get you before —
Emotion: sadness
Intensity class: 
2: moderate amount of sadness can be inferred