Mineral is a type of Crystal. Mineral is the opposite of Plant. 
Past is a different concept from Current. Current is related to Force. Force is related to Lift. Lift is related to Box. 
Crystal <--IsA-- Mineral <--Antonym--> Plant 
Past <--DistinctFrom--> Current <--RelatedTo--> Force <--RelatedTo--> Lift <--RelatedTo--> Box 