Planner is a type of Person. Person is related to Musician. 
Case is related to Occasion. Sale is a type of Occasion. Sale is related to Money. you are likely to find Money in/at/on Mall. 
Planner --IsA--> Person <--RelatedTo--> Musician 
Case <--RelatedTo--> Occasion <--IsA-- Sale <--RelatedTo--> Money --AtLocation--> Mall 