Defense is a different concept from Attack. Attack is related to Invasion. 
Genius is a type of Intellectual. Genius is a synonym of Mind. Mind is a synonym of View. Viewer is derived from View. 
Defense <--DistinctFrom--> Attack <--RelatedTo--> Invasion 
Intellectual <--IsA-- Genius <--Synonym--> Mind <--Synonym--> View <--DerivedFrom-- Viewer 