Sentence 1: Melissa lived in a really bad apartment complex. 
 Sentence 3: One day she heard steps running on the roof 
 Sentence 4:  She saw the kids running on the roof 
 Sentence 5:  She called the landlord so they could deal with it 
 Option 1: There were a lot of kids always running around. 
 Option 2: It was so bad she bought her own house and moved into it.