Sentence 1: Nancy was driving to her job. 
 Sentence 3: However, she continued to drive without being nervous 
 Sentence 4:  When she tried to drive home, her car shut down 
 Sentence 5:  The engine shut down and she remained in the middle of the road 
 Option 1: The car maintenance light turned on. 
 Option 2: Nancy's car was always reliable, even when she sold it.