Wealth is related to Lot. Lot is related to Surface. Surface is related to Silk. Silk is related to Clothing. 
Killing can cause/lead to Funeral. Sword can be used for Killing. 
Wealth <--RelatedTo--> Lot <--RelatedTo--> Surface <--RelatedTo--> Silk <--RelatedTo--> Clothing 
Funeral <--Causes-- Killing <--UsedFor-- Sword 