Bet is related to Chance. Chance is related to Try. Try is a synonym of Test. Test is related to Experimental. 
Close is a synonym of End. End is related to Chapter. 
Bet <--RelatedTo--> Chance <--RelatedTo--> Try <--Synonym--> Test <--RelatedTo--> Experimental 
Close <--Synonym--> End <--RelatedTo--> Chapter 