Hay is related to Like. Like is related to Ego. Ego is related to Perception. 
Food is related to Bar. Bar is related to Big. Big is related to Van. 
Hay <--RelatedTo--> Like <--RelatedTo--> Ego <--RelatedTo--> Perception 
Food <--RelatedTo--> Bar <--RelatedTo--> Big <--RelatedTo--> Van 