Lion is related to Jungle. Jungle is a type of Forest. Forest is related to Green. 
Number is related to Guest. Guest is related to Hotel. you are likely to find Elevator in/at/on Hotel. you are likely to find Elevator in/at/on Apartment. 
Lion <--RelatedTo--> Jungle --IsA--> Forest <--RelatedTo--> Green 
Number <--RelatedTo--> Guest <--RelatedTo--> Hotel <--AtLocation-- Elevator --AtLocation--> Apartment 