Freshman is a type of Class. you are likely to find Class in/at/on Conference. 
Miss is a type of Fail. Miss is a different concept from Correct. Correct is related to True. True is a synonym of Truth. 
Freshman --IsA--> Class --AtLocation--> Conference 
Fail <--IsA-- Miss <--DistinctFrom--> Correct <--RelatedTo--> True <--Synonym--> Truth 