Sentence 1: Sarah lives far away from her family. 
 Sentence 3: Sarah wants to visit home for Christmas, but can't afford to travel 
 Sentence 4:  One day, Sarah gets an envelope in the mail 
 Sentence 5:  It's a plane ticket her parents bought for her to come home 
 Option 1: She can afford to see them quite often. 
 Option 2: She sees them very rarely.