Very is related to High. High is a synonym of Costly. 
Palace is related to Guard. Guard is a synonym of Safety. you are likely to find Safety in/at/on Football. Football is related to Sport. 
Very <--RelatedTo--> High <--Synonym--> Costly 
Palace <--RelatedTo--> Guard <--Synonym--> Safety --AtLocation--> Football <--RelatedTo--> Sport 