Advantage is related to Upper. Upper is related to Road. Shoulder is part of Road. 
Sock is related to Lost. Lost is related to Show. you are likely to find Curtain in/at/on Show. 
Advantage <--RelatedTo--> Upper <--RelatedTo--> Road <--PartOf-- Shoulder 
Sock <--RelatedTo--> Lost <--RelatedTo--> Show <--AtLocation-- Curtain 