Revenue is related to Income. Income is a synonym of Take. Take is a synonym of Contract. 
Vanish is a type of Decrease. Decrease is a type of Amount. Amount is related to Balance. Balance is a synonym of Square. 
Revenue <--RelatedTo--> Income <--Synonym--> Take <--Synonym--> Contract 
Vanish --IsA--> Decrease --IsA--> Amount <--RelatedTo--> Balance <--Synonym--> Square 