Old is related to Grandfather. Grandfather is the opposite of Grandmother. Grandmother is the opposite of Grandchild. Grandchild is the opposite of Grandparent. 
Food is related to Energy. Sunlight is a type of Energy. Person wants (to) Sunlight. Chinese is a type of Person. 
Old <--RelatedTo--> Grandfather <--Antonym--> Grandmother <--Antonym--> Grandchild <--Antonym--> Grandparent 
Food <--RelatedTo--> Energy <--IsA-- Sunlight <--Desires-- Person <--IsA-- Chinese 