Create a local group in BASS called Loc-Admins that contains the Lisa user account. Create a global group in TUNA called Tuna-Admins that contains the BASSWLoc-Admins group. Add the Tuna-Admins group
Create a local group in TUNA called Tuna-Admins that contains the BASSWLisa user account. Add the Tuna-Admins group to the global Domain Admins group in TUNA
Create a global group in the TUNA domain called Tuna-Admins that contains the BASSWLisa user account. Add the Tuna-Admins group to the local Administrators group in TUNA
Create a global group in BASS called Gbl-Admins that contains the Lisa user account. Add the BASSGbl-Admins group to the local Administrators group in TUNA