Tower is a type of Structure. Tower is related to Part. Part is related to District. District is related to Section. 
you are likely to find Snake in/at/on Nature. Nature is related to Magazine. Magazine is related to Page. 
Structure <--IsA-- Tower <--RelatedTo--> Part <--RelatedTo--> District <--RelatedTo--> Section 
Snake --AtLocation--> Nature <--RelatedTo--> Magazine <--RelatedTo--> Page 