Based on the tweet "@FuthieMasina Lol nah u subscrib 4 R60/pm. N pay R3 each day thus anada R90/pm. Lol stream n use de app using ur data. #smiles", categorize the level of joy felt by the author. Select from the following: 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.