Possess is related to Owner. Owner is related to Dog. Dog is a synonym of Man. 
Electronics is related to Speaker. Speaker is related to Hearing. Hearing is a different concept from Smell. Smell is related to Sea. 
Possess <--RelatedTo--> Owner <--RelatedTo--> Dog <--Synonym--> Man 
Electronics <--RelatedTo--> Speaker <--RelatedTo--> Hearing <--DistinctFrom--> Smell <--RelatedTo--> Sea 