Sentence 1: Natalie was at summer camp. 
 Sentence 3: Soon she had become very sick 
 Sentence 4:  She didn't want to go home, but the counselors made her 
 Sentence 5:  Luckily she felt much healthier once she got some rest at home 
 Option 1: One night she began coughing in her sleep. 
 Option 2: One night she began talking in her sleep.