Bank is related to Storage. Storage is related to Unit. Unit is related to Care. Care is a synonym of Custody. 
Steel is related to Bar. Bar is related to Hang. Hang is related to Die. Die is a type of Suffer. 
Bank <--RelatedTo--> Storage <--RelatedTo--> Unit <--RelatedTo--> Care <--Synonym--> Custody 
Steel <--RelatedTo--> Bar <--RelatedTo--> Hang <--RelatedTo--> Die --IsA--> Suffer 