Candidate is related to President. President is related to Principal. Principal is a type of Debt. 
Wood is related to Construction. Construction is related to Bolt. Bolt is the opposite of Nut. Nut is a synonym of Ball. 
Candidate <--RelatedTo--> President <--RelatedTo--> Principal --IsA--> Debt 
Wood <--RelatedTo--> Construction <--RelatedTo--> Bolt <--Antonym--> Nut <--Synonym--> Ball 