Name is a synonym of Entitle. Entitle is a synonym of Call. Call is a synonym of Visit. 
Extension is related to Tail. Tail is related to Pig. you are likely to find Pig in/at/on Porch. you are likely to find People in/at/on Porch. 
Name <--Synonym--> Entitle <--Synonym--> Call <--Synonym--> Visit 
Extension <--RelatedTo--> Tail <--RelatedTo--> Pig --AtLocation--> Porch <--AtLocation-- People 