Separate is a synonym of Divide. Lot is a type of Divide. Lot is related to Coat. 
Alternative is similar to Secondary. Secondary is similar to Minor. Minor is similar to Junior. Junior is a synonym of Young. 
Separate <--Synonym--> Divide <--IsA-- Lot <--RelatedTo--> Coat 
Alternative <--SimilarTo--> Secondary <--SimilarTo--> Minor <--SimilarTo--> Junior <--Synonym--> Young 