Order is a synonym of Discipline. Discipline is related to Corner. you are likely to find Lamp in/at/on Corner. 
Public is related to Protest. Protest is related to Peace. Peace is a type of Harmony. 
Order <--Synonym--> Discipline <--RelatedTo--> Corner <--AtLocation-- Lamp 
Public <--RelatedTo--> Protest <--RelatedTo--> Peace --IsA--> Harmony 