Sensitivity is a type of Feeling. Feeling is related to Rub. 
Visitor is a type of Person. Person is part of Humanity. Humanity wants (to) Live. Liver is a form of Live. 
Sensitivity --IsA--> Feeling <--RelatedTo--> Rub 
Visitor --IsA--> Person --PartOf--> Humanity --Desires--> Live <--FormOf-- Liver 