Deliver is a type of Throw. Deliver is related to Prayer. Prayer is derived from Pray. the first thing you do when you Pray is Kneel. 
Head is a type of Word. you are likely to find Word in/at/on Book. you are likely to find Book in/at/on Bed. 
Throw <--IsA-- Deliver <--RelatedTo--> Prayer --DerivedFrom--> Pray --HasFirstSubevent--> Kneel 
Head --IsA--> Word --AtLocation--> Book --AtLocation--> Bed 