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: @COFFEECOWal Really Sad News, it's been a pleasure over the years, all the best for the future.
Emotion: joy
Intensity class: 