Read the tweet "This tweet is dedicated to my back pain, which I do not understand because I am youthful and spry. Full of life. Vivacious." and determine the level of joy present. Select from these options: 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.
0: no joy can be inferred