Storage is a type of Maintenance. Shed can be used for Storage. you are likely to find Chain in/at/on Shed. Chain is a synonym of String. 
Listener is related to Ear. you are likely to find Hair in/at/on Ear. you are likely to find Hair in/at/on Sink. you are likely to find Potato in/at/on Sink. 
Maintenance <--IsA-- Storage <--UsedFor-- Shed <--AtLocation-- Chain <--Synonym--> String 
Listener <--RelatedTo--> Ear <--AtLocation-- Hair --AtLocation--> Sink <--AtLocation-- Potato 