Sentence 1: Jessie was about to go to summer camp. 
 Sentence 3: They had to drive through the woods, and through a big city 
 Sentence 4:  Finally, they arrived at the bus stop 
 Sentence 5:  Jessie said goodbye to his mom and boarded the camp bus 
 Option 1: His mom canceled summer camp at the last second. 
 Option 2: First, his mom had to drive him to the bus stop to catch the camp bus.