Analyze the tweet "@apinknumjoo Hello, namjoo unnie! Welcome to paradox.💕 i'm deeply sorry for the late greeting 😥 Chaey is wishing you to have a pleasant +" to classify the intensity of the emotion sadness. Your options are: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.