Seed is a type of Bear. Bear is a type of Investor. Shareholder is a type of Investor. 
Cave is a type of Site. Wall is part of Cave. you are likely to find Portrait in/at/on Wall. 
Seed --IsA--> Bear --IsA--> Investor <--IsA-- Shareholder 
Site <--IsA-- Cave <--PartOf-- Wall <--AtLocation-- Portrait 