Cost is related to Charge. Charge is related to Military. Military is related to Chief. Chief is related to Tribal. 
Hill is related to Large. Large is related to Lot. Lot is a synonym of Collection. 
Cost <--RelatedTo--> Charge <--RelatedTo--> Military <--RelatedTo--> Chief <--RelatedTo--> Tribal 
Hill <--RelatedTo--> Large <--RelatedTo--> Lot <--Synonym--> Collection 