Proceed is a type of Happen. Chance is a type of Happen. 
Hill is related to Height. Height is related to Post. Standard is a type of Post. Standard is related to Marker. 
Proceed --IsA--> Happen <--IsA-- Chance 
Hill <--RelatedTo--> Height <--RelatedTo--> Post <--IsA-- Standard <--RelatedTo--> Marker 