Refugee is derived from Refuge. Refuge is related to Home. Home is related to Dog. you are likely to find Dog in/at/on Backyard. 
Metal is related to Characteristic. Characteristic is related to Property. Property is related to Market. Market is related to Retail. 
Refugee --DerivedFrom--> Refuge <--RelatedTo--> Home <--RelatedTo--> Dog --AtLocation--> Backyard 
Metal <--RelatedTo--> Characteristic <--RelatedTo--> Property <--RelatedTo--> Market <--RelatedTo--> Retail 