Which Of The Following Code Snippet Insert The Top Level #181

INSERT INTO Employees VALUES (1, 'Jeff Brown', NULL, hierarchyid::Root()); 

INSERT INTO Employees VALUES (1, 'Jeff Brown', NULL, hierarchyid::Get()); 

INSERT INTO Employees VALUES (1, 'Jeff Brown', NULL, hierarchyid::GetRoot()); 

INSERT INTO Employees VALUES (1, 'Jeff Brown', NULL, hierarchy::GetRoot());