Son is related to Male. Male is related to Genre. Genre is a synonym of Kind. 
Presidential is related to Debate. Debate is related to Election. Election is a synonym of Poll. Poll is a type of Inquiry. 
Son <--RelatedTo--> Male <--RelatedTo--> Genre <--Synonym--> Kind 
Presidential <--RelatedTo--> Debate <--RelatedTo--> Election <--Synonym--> Poll --IsA--> Inquiry 