Galaxy is related to Way. Way is related to Far. Far is related to Very. Very is related to Rich. 
Tower is related to Bell. Tongue is part of Bell. Tongue is part of Shoe. Shoe can be used for Sale. 
Galaxy <--RelatedTo--> Way <--RelatedTo--> Far <--RelatedTo--> Very <--RelatedTo--> Rich 
Tower <--RelatedTo--> Bell <--PartOf-- Tongue --PartOf--> Shoe --UsedFor--> Sale 