Tax is related to Expensive. Expensive is related to Dear. Dear is related to Love. 
Cooking can cause/lead to Food. Food is related to Forget. Forget is related to Elder. 
Tax <--RelatedTo--> Expensive <--RelatedTo--> Dear <--RelatedTo--> Love 
Cooking --Causes--> Food <--RelatedTo--> Forget <--RelatedTo--> Elder 