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: Look at us, smiling in the photograph♪ You can see the secrets behind the fake smiles♪ (*・ω・*) (©FACT「a fact of life」)
Emotion: joy
Intensity score: 
0.458