Admit is the opposite of Denial. Denial is a synonym of Defense. 
City is related to Environment. Environment is related to Conservation. Conservation is related to Care. Care is related to Worry. 
Admit <--Antonym--> Denial <--Synonym--> Defense 
City <--RelatedTo--> Environment <--RelatedTo--> Conservation <--RelatedTo--> Care <--RelatedTo--> Worry 