Wagon is related to Cart. Cart is a type of Vehicle. 
Example is related to Habit. Habit is related to Outfit. Outfit is related to Suit. Suit is a synonym of Match. 
Wagon <--RelatedTo--> Cart --IsA--> Vehicle 
Example <--RelatedTo--> Habit <--RelatedTo--> Outfit <--RelatedTo--> Suit <--Synonym--> Match 