Item is related to Door. House have Door. House is related to Lawn. you are likely to find Lawn in/at/on Yard. 
Bid is a type of Auction. Bid is a synonym of Offer. 
Item <--RelatedTo--> Door <--HasA-- House <--RelatedTo--> Lawn --AtLocation--> Yard 
Auction <--IsA-- Bid <--Synonym--> Offer 