Bother is a type of Confuse. Bother is related to Being. 
Deep is the opposite of Light. Lung is etymologically related to Light. Lung is related to Air. Air is a type of Gas. 
Confuse <--IsA-- Bother <--RelatedTo--> Being 
Deep <--Antonym--> Light <--EtymologicallyRelatedTo-- Lung <--RelatedTo--> Air --IsA--> Gas 