Establishment is related to Business. Manufacturer is a type of Business. 
Grass is related to Straw. Straw is related to Nest. Nest is related to Housing. Cabinet is a type of Housing. 
Establishment <--RelatedTo--> Business <--IsA-- Manufacturer 
Grass <--RelatedTo--> Straw <--RelatedTo--> Nest <--RelatedTo--> Housing <--IsA-- Cabinet 