Based on the tweet "Feeling #grateful for the @davidlynchfoundation.la for teaching us how to meditate. Happy #WellnessWednesday! #justbreathe #foreverwellness", 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.