Relation is related to Rest. Rest is related to Retire. 
History is a synonym of Tale. Tale is a synonym of Legend. Legend is a synonym of Guide. Guide is related to Helpful. 
Relation <--RelatedTo--> Rest <--RelatedTo--> Retire 
History <--Synonym--> Tale <--Synonym--> Legend <--Synonym--> Guide <--RelatedTo--> Helpful 