Sentence 1: Tom wanted to buy his wife a gift. 
 Sentence 3: He decided to steal something for his wife 
 Sentence 4:  He stole a pearl necklace 
 Sentence 5:  His wife loved the necklace and never found out it was stolen 
 Option 1: He just got his bonus from his boss. 
 Option 2: But, he couldn't afford one.