Fence is related to Yard. Yard is related to Outdoor. Outdoor is related to Tent. Tent is related to Equipment. 
you are likely to find Rifle in/at/on Army. you are likely to find Leader in/at/on Army. Leader is related to General. General is related to Public. 
Fence <--RelatedTo--> Yard <--RelatedTo--> Outdoor <--RelatedTo--> Tent <--RelatedTo--> Equipment 
Rifle --AtLocation--> Army <--AtLocation-- Leader <--RelatedTo--> General <--RelatedTo--> Public 