Shadow is related to Clock. Clock is related to Accuracy. 
Clue is a synonym of Tip. Tip is the opposite of Head. Head is a type of Remove. Removal is derived from Remove. 
Shadow <--RelatedTo--> Clock <--RelatedTo--> Accuracy 
Clue <--Synonym--> Tip <--Antonym--> Head --IsA--> Remove <--DerivedFrom-- Removal 