Auction is a type of Bridge. Contract is a type of Bridge. Contract is the opposite of Increase. Increase is related to Movement. 
Strong is similar to Stiff. you are likely to find Stiff in/at/on Funeral. Funeral is the opposite of Birthday. Birthday is related to Ceremony. 
Auction --IsA--> Bridge <--IsA-- Contract <--Antonym--> Increase <--RelatedTo--> Movement 
Strong <--SimilarTo--> Stiff --AtLocation--> Funeral <--Antonym--> Birthday <--RelatedTo--> Ceremony 