Task: Evaluate the tweet and classify the intensity level of emotion E exhibited by the user. 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: @EmberXiao ❝ Ah, I see! Clever! ❞\n[Ruby nodded her head, putting her hands by her sides before smiling up at Yang.]\n❝ Hehe, since when--
Emotion: joy
Intensity class: 