Square is a type of Number. Number is related to Written. Written is related to Music. Dancing requires Music. 
you are likely to find Corn in/at/on Garden. Garden is related to Agriculture. Agriculture is related to Peasant. 
Square --IsA--> Number <--RelatedTo--> Written <--RelatedTo--> Music <--HasPrerequisite-- Dancing 
Corn --AtLocation--> Garden <--RelatedTo--> Agriculture <--RelatedTo--> Peasant 