Sentence 1: Jen strained as she lugged her suitcase up the stairs. 
 Sentence 3: The two conversed and laughed as the person carried her luggage 
 Sentence 4:  They smiled as they parted ways, the stranger leaving to another room 
 Sentence 5:  It took Jen a moment to parse she was now empty-handed in the hallway 
 Given Sentence 2: He visited the home of a piano teacher in his area.