Sentence 1: Jill was the building manager of her apartment. 
 Sentence 3: She noticed a new tenant had put out a doormat 
 Sentence 4:  Not sure if she should clean it or they should she left it alone 
 Sentence 5:  She got an angry call later wondering why she was neglecting it 
 Option 1: She went hall to hall sweeping and cleaning. 
 Option 2: Jill was lazy and let her staff tend to all cleaning.