Surgeon is related to Operation. Operation is a type of Work. Work is a type of Be. 
Building is a type of Gathering. Building is related to Hotel. you are likely to find Sex in/at/on Hotel. Male is a type of Sex. 
Surgeon <--RelatedTo--> Operation --IsA--> Work --IsA--> Be 
Gathering <--IsA-- Building <--RelatedTo--> Hotel <--AtLocation-- Sex <--IsA-- Male 