Childhood is related to Camp. Camp is a type of Gathering. Community is a type of Gathering. 
you are likely to find Mouse in/at/on Trap. you are likely to find Mouse in/at/on Hole. Hole is related to Whale. Whale is related to Boat. 
Childhood <--RelatedTo--> Camp --IsA--> Gathering <--IsA-- Community 
Trap <--AtLocation-- Mouse --AtLocation--> Hole <--RelatedTo--> Whale <--RelatedTo--> Boat 