Big is related to Love. Love is a synonym of Sister. Sister is related to Mother. Mother is related to Relationship. 
Match is a type of Contest. Match is related to Difference. Difference is a synonym of Distinguish. Distinguish is a synonym of Separate. 
Big <--RelatedTo--> Love <--Synonym--> Sister <--RelatedTo--> Mother <--RelatedTo--> Relationship 
Contest <--IsA-- Match <--RelatedTo--> Difference <--Synonym--> Distinguish <--Synonym--> Separate 