Voter is related to Vote. Vote is related to Democratic. Democratic is related to Party. 
Playoff is a type of Contest. Contest is related to Lose. Lose is a synonym of Drop. Drop is related to Use. 
Voter <--RelatedTo--> Vote <--RelatedTo--> Democratic <--RelatedTo--> Party 
Playoff --IsA--> Contest <--RelatedTo--> Lose <--Synonym--> Drop <--RelatedTo--> Use 