Heart is related to Steak. Steak is related to Big. Big is related to Chief. Chief is related to Policeman. 
Wheat is related to Rice. Rice is related to Life. 
Heart <--RelatedTo--> Steak <--RelatedTo--> Big <--RelatedTo--> Chief <--RelatedTo--> Policeman 
Wheat <--RelatedTo--> Rice <--RelatedTo--> Life 