Bell is a type of Sound. Sound is a different concept from Sight. Detect is a type of Sight. 
Endless is similar to Continuous. Continuous is related to Line. Line is related to Coast. 
Bell --IsA--> Sound <--DistinctFrom--> Sight <--IsA-- Detect 
Endless <--SimilarTo--> Continuous <--RelatedTo--> Line <--RelatedTo--> Coast 