Athlete is a type of Person. Actress is a type of Person. Actress is a type of Human. Human is related to Throat. 
Workplace is related to Office. you are likely to find Number in/at/on Office. 
Athlete --IsA--> Person <--IsA-- Actress --IsA--> Human <--RelatedTo--> Throat 
Workplace <--RelatedTo--> Office <--AtLocation-- Number 