Treat is a type of Gift. Shock is a type of Treat. Shock is a type of Earthquake. 
Borrow is a type of Get. Get is a synonym of Dig. Dig is related to Degree. Degree is related to Symbol. 
Gift <--IsA-- Treat <--IsA-- Shock --IsA--> Earthquake 
Borrow --IsA--> Get <--Synonym--> Dig <--RelatedTo--> Degree <--RelatedTo--> Symbol 