Sentence 1: Rick applied for a credit card and was approved for $500. 
 Sentence 3: John didn't realize that he had to pay that money back someday 
 Sentence 4:  He was surprised when collections called him asking for the money 
 Sentence 5:  Rick had to get another job to pay for his mistakes 
 Given Sentence 2: He was so naive that he went and spent all of the money that he got.