you are likely to find Call in/at/on Office. Office is related to Post. Post is related to Location. 
Economy is related to Country. Country is related to Label. Name is a type of Label. Name is related to Middle. 
Call --AtLocation--> Office <--RelatedTo--> Post <--RelatedTo--> Location 
Economy <--RelatedTo--> Country <--RelatedTo--> Label <--IsA-- Name <--RelatedTo--> Middle 