Human is related to Audience. you are likely to find Audience in/at/on School. School is related to Examination. Testing is a type of Examination. 
Metal is related to Gold. Gold is a type of Element. 
Human <--RelatedTo--> Audience --AtLocation--> School <--RelatedTo--> Examination <--IsA-- Testing 
Metal <--RelatedTo--> Gold --IsA--> Element 