Floor is related to Building. Foundation is part of Building. Foundation is a type of Relation. 
Tip is a synonym of Point. Point is related to People. People can be Blind. Blind is related to Disability. 
Floor <--RelatedTo--> Building <--PartOf-- Foundation --IsA--> Relation 
Tip <--Synonym--> Point <--RelatedTo--> People --HasProperty--> Blind <--RelatedTo--> Disability 