Facilitate is a type of Cause. Producer is a type of Cause. Producer is related to Factory. 
you are likely to find Potato in/at/on Pizza. Potato is related to Head. Head is a type of Be. Be is related to Existing. 
Facilitate --IsA--> Cause <--IsA-- Producer <--RelatedTo--> Factory 
Pizza <--AtLocation-- Potato <--RelatedTo--> Head --IsA--> Be <--RelatedTo--> Existing 