Duck is a synonym of Dip. Dip is related to Vegetable. Vegetable is related to Tomato. 
Subsidy is a synonym of Benefit. Benefit is related to Insurance. Insurance can be Expensive. Expensive is related to Valuable. 
Duck <--Synonym--> Dip <--RelatedTo--> Vegetable <--RelatedTo--> Tomato 
Subsidy <--Synonym--> Benefit <--RelatedTo--> Insurance --HasProperty--> Expensive <--RelatedTo--> Valuable 