Month is related to Birthday. Birthday is related to Wish. Wish is related to Star. Star is part of Galaxy. 
Instance is a synonym of Case. Case is related to Business. Business is a synonym of Thing. Thing is related to Book. 
Month <--RelatedTo--> Birthday <--RelatedTo--> Wish <--RelatedTo--> Star --PartOf--> Galaxy 
Instance <--Synonym--> Case <--RelatedTo--> Business <--Synonym--> Thing <--RelatedTo--> Book 