Legal is related to Property. Property is related to Law. 
Constitution is a synonym of Composition. Composition is related to Peer. Peer is related to Group. you are likely to find Human in/at/on Group. 
Legal <--RelatedTo--> Property <--RelatedTo--> Law 
Constitution <--Synonym--> Composition <--RelatedTo--> Peer <--RelatedTo--> Group <--AtLocation-- Human 