Puzzle can be used for Entertainment. you are likely to find Puzzle in/at/on Drawer. 
Sense is a type of River. Sense is related to Hear. Hear is a synonym of Learn. Discover is a type of Learn. 
Entertainment <--UsedFor-- Puzzle --AtLocation--> Drawer 
River <--IsA-- Sense <--RelatedTo--> Hear <--Synonym--> Learn <--IsA-- Discover 