Blood is related to Animal. Animal is related to Cute. Cute is related to Baby. Baby is related to Pregnancy. 
Poll is a type of Survey. Survey is a synonym of Prospect. Prospect is a type of Potential. 
Blood <--RelatedTo--> Animal <--RelatedTo--> Cute <--RelatedTo--> Baby <--RelatedTo--> Pregnancy 
Poll --IsA--> Survey <--Synonym--> Prospect --IsA--> Potential 