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: @ghibIiyoongi happy birthday love!! 🎉🎁 i hope you're having the best day, i'm glad we met💕
Emotion: joy
Intensity class: 