Determine how strongly joy is expressed in the following tweet. Use the scale: 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 joyous first webiversary/web mitzvah to Smithsonian's @WeiPoints!! @brianwolly @jackie_mansky @bethpylieberman @bilbo @mazeltov
2: moderate amount of joy can be inferred