Phone is related to Apple. Apple is a type of Tree. Tree is related to Telephone. Telephone is related to Cable. 
you are likely to find Baby in/at/on House. Baby is related to Foot. 
Phone <--RelatedTo--> Apple --IsA--> Tree <--RelatedTo--> Telephone <--RelatedTo--> Cable 
House <--AtLocation-- Baby <--RelatedTo--> Foot 