P1 is reporting to P2 manager and both of p1 and p2 are in org unit O how do you do it in SAP? for ex if P1 is reporting to a P2 manager then how do you establish relationship between this two other than using relationship A002

Q) P1  is reporting to P2 manager and both of p1 and p2 are in org unit O how do you do it in SAP?   for ex if P1 is reporting to a P2 manager then how do you establish relationship between this two other than using relationship A002?