Human is related to Man. Man is related to Captain. Captain is related to Vessel. 
Date is related to Dinner. Dinner is related to Beef. Beef is related to Guard. Guard is related to Jail. 
Human <--RelatedTo--> Man <--RelatedTo--> Captain <--RelatedTo--> Vessel 
Date <--RelatedTo--> Dinner <--RelatedTo--> Beef <--RelatedTo--> Guard <--RelatedTo--> Jail 