Uncle is related to Relation. Relation is related to Mother. Mother is a synonym of Mom. Mom is related to Daughter. 
Soccer is related to Summer. Summer is related to Vacation. 
Uncle <--RelatedTo--> Relation <--RelatedTo--> Mother <--Synonym--> Mom <--RelatedTo--> Daughter 
Soccer <--RelatedTo--> Summer <--RelatedTo--> Vacation 