Dirt is related to Bury. Bury is related to Activity. Activity is related to Boat. you are likely to find Wheel in/at/on Boat. 
Book is a type of Section. Book is related to Collection. Collection is related to Gathering. 
Dirt <--RelatedTo--> Bury <--RelatedTo--> Activity <--RelatedTo--> Boat <--AtLocation-- Wheel 
Section <--IsA-- Book <--RelatedTo--> Collection <--RelatedTo--> Gathering 