Airplane can be used for Flying. you are likely to find Cargo in/at/on Airplane. Cargo is related to Aircraft. 
Slope is related to Resort. Resort is related to People. People is related to Body. Body is related to Frame. 
Flying <--UsedFor-- Airplane <--AtLocation-- Cargo <--RelatedTo--> Aircraft 
Slope <--RelatedTo--> Resort <--RelatedTo--> People <--RelatedTo--> Body <--RelatedTo--> Frame 