Mate is a type of Officer. Mate is related to Candidate. Candidate is related to Presidential. 
Absorb is a type of Interest. Absorb is a synonym of Steep. Steep is a synonym of Plunge. Plunge is a synonym of Dip. 
Officer <--IsA-- Mate <--RelatedTo--> Candidate <--RelatedTo--> Presidential 
Interest <--IsA-- Absorb <--Synonym--> Steep <--Synonym--> Plunge <--Synonym--> Dip 