Professor is related to Degree. Degree is related to Document. Prescription is a type of Document. Prescription is a synonym of Recipe. 
Consistent is a different concept from Vary. Vary is a type of Village. Burst is a type of Village. 
Professor <--RelatedTo--> Degree <--RelatedTo--> Document <--IsA-- Prescription <--Synonym--> Recipe 
Consistent <--DistinctFrom--> Vary --IsA--> Village <--IsA-- Burst 