See is related to Common. Common is a different concept from Occasional. Occasional is derived from Occasion. 
Acid can be Dangerous. Acid is related to Trip. Drug can cause/lead to Trip. you are likely to find Drug in/at/on Bottle. 
See <--RelatedTo--> Common <--DistinctFrom--> Occasional --DerivedFrom--> Occasion 
Dangerous <--HasProperty-- Acid <--RelatedTo--> Trip <--Causes-- Drug --AtLocation--> Bottle 