Minority is derived from Minor. Minor is a type of Study. Scholar requires Study. Scholar is a synonym of Student. 
Treatment is a synonym of Use. Spare is a type of Use. Spare is a synonym of Save. Save is a type of Keep. 
Minority --DerivedFrom--> Minor --IsA--> Study <--HasPrerequisite-- Scholar <--Synonym--> Student 
Treatment <--Synonym--> Use <--IsA-- Spare <--Synonym--> Save --IsA--> Keep 