Arab is a type of Human. you are likely to find Human in/at/on Airplane. Airplane is related to Case. Case is related to Session. 
Climb is the opposite of Hang. Hang is related to Arrangement. 
Arab --IsA--> Human --AtLocation--> Airplane <--RelatedTo--> Case <--RelatedTo--> Session 
Climb <--Antonym--> Hang <--RelatedTo--> Arrangement 