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: A cheerful heart is good medicine, but a broken spirit saps a person's strength.' {Proverbs 17:22} #WednesdayWisdom
0: no joy can be inferred