Couch->FloorLamp
FloorLamp->Couch

Couch->CoffeeTable
CoffeeTable->Couch

ArmChair->CoffeeTable
CoffeeTable->ArmChair

Chair->CoffeeTable
CoffeeTable->Chair

Couch->EndTable
EndTable->Couch

Endtable->TableLamp
TableLamp->EndTable