Prevail is a type of Win. Win is related to Internet. Internet is related to Site. Region is a type of Site. 
you are likely to find Furniture in/at/on House. Furniture is related to Door. Door is related to Gate. 
Prevail --IsA--> Win <--RelatedTo--> Internet <--RelatedTo--> Site <--IsA-- Region 
House <--AtLocation-- Furniture <--RelatedTo--> Door <--RelatedTo--> Gate 