Reveal is a synonym of Open. Open is a type of Expose. Expose is a synonym of Bare. Bare is a synonym of Plain. 
Transaction is related to Tax. Tax is related to Federal. 
Reveal <--Synonym--> Open --IsA--> Expose <--Synonym--> Bare <--Synonym--> Plain 
Transaction <--RelatedTo--> Tax <--RelatedTo--> Federal 