Sack is a synonym of Hay. Hay can be Organic. Metal cannot be Organic. Metal is the opposite of Country. 
Power is related to Force. Force is related to Military. Military is a different concept from Civilian. 
Sack <--Synonym--> Hay --HasProperty--> Organic <--NotHasProperty-- Metal <--Antonym--> Country 
Power <--RelatedTo--> Force <--RelatedTo--> Military <--DistinctFrom--> Civilian 