Oversee is related to Rule. Rule is related to Code. Code is related to Writing. 
Citizen is the opposite of Illegal. Illegal is the opposite of Legal. Legal is related to Just. 
Oversee <--RelatedTo--> Rule <--RelatedTo--> Code <--RelatedTo--> Writing 
Citizen <--Antonym--> Illegal <--Antonym--> Legal <--RelatedTo--> Just 