Sentence 1: Marie was trying to fill out an application. 
 Sentence 3: She needed to get them before a deadline 
 Sentence 4:  That day, she went to the post office right away 
 Sentence 5:  She was able to mail the application for free, to her surprise 
 Option 1: She placed her stamps on the envelope and put it in the mailbox. 
 Option 2: She needed to mail it in but she had no stamps.