Indication is a type of Advice. Mark is a type of Indication. 
Disagree is a synonym of Conflict. Conflict is the opposite of Peace. Peace is a type of Order. Order is a synonym of Direction. 
Advice <--IsA-- Indication <--IsA-- Mark 
Disagree <--Synonym--> Conflict <--Antonym--> Peace --IsA--> Order <--Synonym--> Direction 