Ballot is related to Material. Material is related to Sock. Sock is related to Ear. 
Candle is related to Cake. Cake is related to Yellow. Yellow is related to Primary. 
Ballot <--RelatedTo--> Material <--RelatedTo--> Sock <--RelatedTo--> Ear 
Candle <--RelatedTo--> Cake <--RelatedTo--> Yellow <--RelatedTo--> Primary 