Paint is related to Soup. Soup is related to Dinner. 
Math is related to Add. Add is a synonym of Enroll. Register is a type of Enroll. Register is a synonym of Depict. 
Paint <--RelatedTo--> Soup <--RelatedTo--> Dinner 
Math <--RelatedTo--> Add <--Synonym--> Enroll <--IsA-- Register <--Synonym--> Depict 