Deal is a synonym of Lot. Lot is a type of River. 
Living is related to Couch. Couch is related to Comfortable. Comfortable is similar to Sufficient. Sufficient is similar to Adequate. 
Deal <--Synonym--> Lot --IsA--> River 
Living <--RelatedTo--> Couch <--RelatedTo--> Comfortable <--SimilarTo--> Sufficient <--SimilarTo--> Adequate 