Task: Assign one of four ordinal intensity classes of emotion E to a given tweet based on the emotional state of 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: @imKBRshanthnu happy birthday buddy☺ wishing u lots of #smiles &amp; #success 🌸 #ameen☺ my bday in #3days 😍 yaayyaaa💃
Emotion: joy
Intensity class: 