Sentence 1: Bob was cruising down the freeway. 
 Sentence 3: When he looked out his mirror he could see rubber flopping around 
 Sentence 4:  Bob had to stop and fix a flat tire on his car 
 Sentence 5:  In fifteen minutes Bob was back on the freeway 
 Option 1: His car tire blew out and he got a flat. 
 Option 2: Suddenly he heard a terrible racket!