Based on the given tweet, determine the level of anger the author is experiencing. Choose from the following options: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: So I'm not being shady but one of Jongdae's ex rumoured girlfriends is going on WGM I'm not saying I'm over joyed but I'm over joyed #bitter
1: low amount of anger can be inferred