Sentence 1: Nora wasn't a very careful driver. 
 Sentence 3: One day, she ran into a fire hydrant 
 Sentence 4:  The officer ticketed her 
 Sentence 5:  Now, Nora is more careful when she drives 
 Option 1: She often talked on her phone while driving. 
 Option 2: She often talked on her phone while walking.