Bank is a type of Reserve. Bank is related to Mortgage. 
Prize is a synonym of Value. Value is related to Crop. Crop is related to Corn. Corn is related to Bird. 
Reserve <--IsA-- Bank <--RelatedTo--> Mortgage 
Prize <--Synonym--> Value <--RelatedTo--> Crop <--RelatedTo--> Corn <--RelatedTo--> Bird 