Edge is a synonym of Interest. Interest is related to Return. Return is a type of Bring. 
Satisfaction is a synonym of Comfort. Comfort is related to Help. Help is a synonym of Servant. Servant is related to Nice. 
Edge <--Synonym--> Interest <--RelatedTo--> Return --IsA--> Bring 
Satisfaction <--Synonym--> Comfort <--RelatedTo--> Help <--Synonym--> Servant <--RelatedTo--> Nice 