Toy is related to Stuff. Stuff is a synonym of Matter. Matter is a synonym of Purpose. Purpose is related to Intention. 
Boy is a type of Male. Boy is related to Camp. 
Toy <--RelatedTo--> Stuff <--Synonym--> Matter <--Synonym--> Purpose <--RelatedTo--> Intention 
Male <--IsA-- Boy <--RelatedTo--> Camp 