Sentence 1: Imelda worked as a parking officer at a mall. 
 Sentence 3: She was technically an employee of the mall rather than the city 
 Sentence 4:  Instead she put officious-looking warning letters on windshields 
 Sentence 5:  It was always disheartening to watch patrons crumple them up 
 Option 1: She had the authority to issue actual tickets and made the city lots of revenue. 
 Option 2: She did not have the authority to issue actual tickets.