Sentence 1: Jake needed to sell his old car in order to buy a new one. 
 Sentence 3: He placed an ad and waited for a buyer to call 
 Sentence 4:  Jake told the buyer about all the car's good points 
 Sentence 5:  When he finished, Jake had convinced himself to keep the car 
 Option 1: He ransacked the car so it would look good to a buyer. 
 Option 2: He detailed the car so it would look good to a buyer.