Sexual is related to Desire. Desire is a synonym of Drive. Drive is related to Control. Control is related to Direct. 
Person wants (to) Education. Extension is a type of Education. Extensive is derived from Extension. Extensive is a synonym of Extended. 
Sexual <--RelatedTo--> Desire <--Synonym--> Drive <--RelatedTo--> Control <--RelatedTo--> Direct 
Person --Desires--> Education <--IsA-- Extension <--DerivedFrom-- Extensive <--Synonym--> Extended 