Like is related to Equal. Equal is related to Math. Math is related to Prime. Prime is a synonym of Prize. 
Edition is a type of Group. Group is related to Week. Week is related to Unit. 
Like <--RelatedTo--> Equal <--RelatedTo--> Math <--RelatedTo--> Prime <--Synonym--> Prize 
Edition --IsA--> Group <--RelatedTo--> Week <--RelatedTo--> Unit 