Book is related to Very. Very is related to Steam. Steam is related to Phase. 
Lip is a type of Margin. Lip is related to Part. Part is related to Spare. 
Book <--RelatedTo--> Very <--RelatedTo--> Steam <--RelatedTo--> Phase 
Margin <--IsA-- Lip <--RelatedTo--> Part <--RelatedTo--> Spare 