Produce is related to Fresh. Fresh is related to River. River can be used for Transportation. Transportation is related to Public. 
Scratch is related to Cut. Cut is related to Edge. Edge is a synonym of Margin. 
Produce <--RelatedTo--> Fresh <--RelatedTo--> River --UsedFor--> Transportation <--RelatedTo--> Public 
Scratch <--RelatedTo--> Cut <--RelatedTo--> Edge <--Synonym--> Margin 