Lesson is related to Primary. Primary is similar to Original. Original is related to Home. you are likely to find Security in/at/on Home. 
Relate is a type of Be. Relate is a synonym of Affect. Effect is a form of Affect. Effect is related to Reason. 
Lesson <--RelatedTo--> Primary <--SimilarTo--> Original <--RelatedTo--> Home <--AtLocation-- Security 
Be <--IsA-- Relate <--Synonym--> Affect <--FormOf-- Effect <--RelatedTo--> Reason 