Big is related to Wolf. Wolf is related to Pack. Pack is a type of Load. 
Currency is related to Exchange. Exchange is related to Market. Market is a type of Shop. Shop is a synonym of Office. 
Big <--RelatedTo--> Wolf <--RelatedTo--> Pack --IsA--> Load 
Currency <--RelatedTo--> Exchange <--RelatedTo--> Market --IsA--> Shop <--Synonym--> Office 