House is related to Heaven. Heaven is related to Palace. Palace is a type of Government. Government is related to City. 
Medicine is related to Related. Related is related to Read. Read is a type of Publication. Format is part of Publication. 
House <--RelatedTo--> Heaven <--RelatedTo--> Palace --IsA--> Government <--RelatedTo--> City 
Medicine <--RelatedTo--> Related <--RelatedTo--> Read --IsA--> Publication <--PartOf-- Format 