Sentence 1: Laura wrote that she was feeling very ill. 
 Sentence 3: The next weekend Ling Chao showed up at her doorstep 
 Sentence 4:  He said he wanted to meet her in person since she was so ill 
 Sentence 5:  Laura said she just had a cold and that she wasn't going to die 
 Given Sentence 2: She mailed the letter to her penpal in China.