Break is a type of Appear. Appear is the opposite of Disappear. Fall is a type of Disappear. 
Restaurant is related to Reserve. Reserve is a different concept from Open. Open is similar to Available. 
Break --IsA--> Appear <--Antonym--> Disappear <--IsA-- Fall 
Restaurant <--RelatedTo--> Reserve <--DistinctFrom--> Open <--SimilarTo--> Available 