Group is related to Mass. Mass is related to Heavy. 
Term is related to Organization. Establishment is a type of Organization. Establishment is related to Restaurant. you are likely to find Restaurant in/at/on Hotel. 
Group <--RelatedTo--> Mass <--RelatedTo--> Heavy 
Term <--RelatedTo--> Organization <--IsA-- Establishment <--RelatedTo--> Restaurant --AtLocation--> Hotel 