Sentence 1: The mailman delivered a package to Ian. 
 Sentence 3: There was book inside of the bubble wrap 
 Sentence 4:  When Ian flipped the pages, a few pages we're missing 
 Sentence 5:  As a result, he filed a complaint online 
 Option 1: As a result, he filed a complaint online. 
 Option 2: He took the package inside and started to open the box.