Aunt is related to Relation. Relation is related to Servant. Servant is related to Like. 
Missionary is a type of Worker. Rhetoric is a type of Worker. Rhetoric is related to Question. Question is a synonym of Subject. 
Aunt <--RelatedTo--> Relation <--RelatedTo--> Servant <--RelatedTo--> Like 
Missionary --IsA--> Worker <--IsA-- Rhetoric <--RelatedTo--> Question <--Synonym--> Subject 