Horn is related to Head. Head is related to Quarter. 
Rat is a synonym of Finger. you are likely to find Hair in/at/on Finger. Beard is a type of Hair. Beard is related to Chin. 
Horn <--RelatedTo--> Head <--RelatedTo--> Quarter 
Rat <--Synonym--> Finger <--AtLocation-- Hair <--IsA-- Beard <--RelatedTo--> Chin 