Accept is a synonym of Buy. Buy is related to Currency. Currency is related to Pay. Pay is the opposite of Stiff. 
Citizen is related to Voting. Voting is related to District. District is related to Community. Killer is part of Community. 
Accept <--Synonym--> Buy <--RelatedTo--> Currency <--RelatedTo--> Pay <--Antonym--> Stiff 
Citizen <--RelatedTo--> Voting <--RelatedTo--> District <--RelatedTo--> Community <--PartOf-- Killer 