Servant is related to White. White is related to Pale. 
Host requires Plan. Plan is related to Expectation. Expectation is a synonym of Average. Average is related to Operation. 
Servant <--RelatedTo--> White <--RelatedTo--> Pale 
Host --HasPrerequisite--> Plan <--RelatedTo--> Expectation <--Synonym--> Average <--RelatedTo--> Operation 