Others is related to Wall. Wall is related to Hang. Hang is the opposite of Lay. 
Hour is related to Unit. Unit is related to Department. Department is related to Station. Western is a type of Station. 
Others <--RelatedTo--> Wall <--RelatedTo--> Hang <--Antonym--> Lay 
Hour <--RelatedTo--> Unit <--RelatedTo--> Department <--RelatedTo--> Station <--IsA-- Western 