Hear is the opposite of Smell. one thing you do when you Smell is Shower. 
Speaker is related to Machine. Machine is a type of Artifact. Way is a type of Artifact. Way is related to Deep. 
Hear <--Antonym--> Smell --HasSubevent--> Shower 
Speaker <--RelatedTo--> Machine --IsA--> Artifact <--IsA-- Way <--RelatedTo--> Deep 