Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: @apinknumjoo Hello, namjoo unnie! Welcome to paradox.💕 i'm deeply sorry for the late greeting 😥 Chaey is wishing you to have a pleasant +
Emotion: sadness
Intensity score: 
0.288