Host is a type of Book. Book is related to Subject. Subject is related to Social. Social is related to Society. 
you are likely to find Pad in/at/on Furniture. Furniture is related to Desk. Desk is related to Stuff. Stuff can be Interesting. 
Host --IsA--> Book <--RelatedTo--> Subject <--RelatedTo--> Social <--RelatedTo--> Society 
Pad --AtLocation--> Furniture <--RelatedTo--> Desk <--RelatedTo--> Stuff --ReceivesAction--> Interesting 