Pass is related to Choice. Choice is related to Decide. Purpose is a type of Decide. Purpose is a synonym of Function. 
Written is a form of Write. Written is related to Writing. Writing is related to Book. 
Pass <--RelatedTo--> Choice <--RelatedTo--> Decide <--IsA-- Purpose <--Synonym--> Function 
Write <--FormOf-- Written <--RelatedTo--> Writing <--RelatedTo--> Book 