Orbit is a type of Circle. you are likely to find Rocket in/at/on Orbit. Rocket is related to Ship. Ship is a synonym of Transport. 
Father is related to Formal. Formal is a different concept from Informal. Informal is a synonym of Casual. 
Circle <--IsA-- Orbit <--AtLocation-- Rocket <--RelatedTo--> Ship <--Synonym--> Transport 
Father <--RelatedTo--> Formal <--DistinctFrom--> Informal <--Synonym--> Casual 