Building is related to Capital. Capital is a different concept from Lower. Lower is related to Case. Case is related to Hearing. 
Math is related to Topic. Topic is a synonym of Matter. Matter is related to Private. Private is a synonym of Intimate. 
Building <--RelatedTo--> Capital <--DistinctFrom--> Lower <--RelatedTo--> Case <--RelatedTo--> Hearing 
Math <--RelatedTo--> Topic <--Synonym--> Matter <--RelatedTo--> Private <--Synonym--> Intimate 