Prospect is a synonym of Survey. Overlook is a type of Survey. Overlook is a synonym of Forget. Forget is related to Information. 
Cliff is related to High. High is related to Expense. Expense is related to Accounting. 
Prospect <--Synonym--> Survey <--IsA-- Overlook <--Synonym--> Forget <--RelatedTo--> Information 
Cliff <--RelatedTo--> High <--RelatedTo--> Expense <--RelatedTo--> Accounting 