Oxygen is related to Life. Life is related to Go. 
Factor is related to Property. Property is related to Private. Private is a different concept from Known. Known is derived from Knowledge. 
Oxygen <--RelatedTo--> Life <--RelatedTo--> Go 
Factor <--RelatedTo--> Property <--RelatedTo--> Private <--DistinctFrom--> Known --DerivedFrom--> Knowledge 