Tobacco is a different concept from Weed. Weed is related to Drug. Drug is a synonym of Dose. Dose is a synonym of Acid. 
Claim is a type of Right. Right can be Common. 
Tobacco <--DistinctFrom--> Weed <--RelatedTo--> Drug <--Synonym--> Dose <--Synonym--> Acid 
Claim --IsA--> Right --HasProperty--> Common 