Fish is a type of Catch. Fish does not want (to) Dry. Dry is related to Sand. 
Exist is related to Idea. Idea is related to Invention. Invention is a synonym of Device. Device is related to Control. 
Catch <--IsA-- Fish --NotDesires--> Dry <--RelatedTo--> Sand 
Exist <--RelatedTo--> Idea <--RelatedTo--> Invention <--Synonym--> Device <--RelatedTo--> Control 