Pollution is a type of Crime. Pollution is related to Smoke. Smoke is a different concept from Steam. Steam is related to Tea. 
Blessing is related to Holy. Holy is the opposite of Secular. Secular is the opposite of Regular. Regular is related to Gas. 
Crime <--IsA-- Pollution <--RelatedTo--> Smoke <--DistinctFrom--> Steam <--RelatedTo--> Tea 
Blessing <--RelatedTo--> Holy <--Antonym--> Secular <--Antonym--> Regular <--RelatedTo--> Gas 