Evaluate the tweet for the intensity of the emotion joy. The categories are as follows: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.
Tweet: Look at us, smiling in the photograph♪ You can see the secrets behind the fake smiles♪ (*・ω・*) (©FACT「a fact of life」)
1: low amount of joy can be inferred