Given the emotion joy and the tweet "Be happy not because everything is good, but because you can see the good side of everything", classify the intensity of the emotion displayed in the tweet. The classification options are: 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.
2: moderate amount of joy can be inferred