Secret is related to Success. Success is the opposite of Mistake. 
Travel requires Map. Retreat is a type of Travel. Retreat is related to War. Soldier can be used for War. 
Secret <--RelatedTo--> Success <--Antonym--> Mistake 
Map <--HasPrerequisite-- Travel <--IsA-- Retreat <--RelatedTo--> War <--UsedFor-- Soldier 