Deep is the opposite of Small. Small is related to Garden. 
Liquid is related to Vessel. Bow is part of Vessel. Bow is a type of Stroke. Stroke is a type of Disease. 
Deep <--Antonym--> Small <--RelatedTo--> Garden 
Liquid <--RelatedTo--> Vessel <--PartOf-- Bow --IsA--> Stroke --IsA--> Disease 