you are likely to find Human in/at/on Airplane. Human is related to Climb. Climb is related to Scale. you are likely to find Scale in/at/on Doctor. 
Sea is related to Dock. Dock is related to Ship. Ship is related to Deck. 
Airplane <--AtLocation-- Human <--RelatedTo--> Climb <--RelatedTo--> Scale --AtLocation--> Doctor 
Sea <--RelatedTo--> Dock <--RelatedTo--> Ship <--RelatedTo--> Deck 