Sword is related to Long. Long is related to Rat. 
Head is related to Count. Count is a type of Classify. Classify is a synonym of Class. Class is related to Reading. 
Sword <--RelatedTo--> Long <--RelatedTo--> Rat 
Head <--RelatedTo--> Count --IsA--> Classify <--Synonym--> Class <--RelatedTo--> Reading 