Disclose is a synonym of Uncover. Uncover is related to Find. Find is a type of Perceive. Perceived is a form of Perceive. 
Cigarette have Tobacco. Cigarette can cause/lead to Fire. 
Disclose <--Synonym--> Uncover <--RelatedTo--> Find --IsA--> Perceive <--FormOf-- Perceived 
Tobacco <--HasA-- Cigarette --Causes--> Fire 