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: @SkyNews when the East wind blue in summer in Durban, S Africa, we still surfed and got #stung badly! Must be carefull-A #sting can harm you
2: moderate amount of anger can be inferred