Blind is related to Lack. Deficit is a type of Lack. 
you are likely to find Support in/at/on Family. Family is a synonym of Fold. Fold is a type of Change. Patent is a type of Change. 
Blind <--RelatedTo--> Lack <--IsA-- Deficit 
Support --AtLocation--> Family <--Synonym--> Fold --IsA--> Change <--IsA-- Patent 