Which line from "Revolution 2137” belongs at "Exposition” on the plot line?


As she scrubbed the kitchen floor, Lena thought back to the day when everything had changed.
“Robots are powerful,” Lena thought as she worked on a hand grip.
Lena knew that her plan was working on the next rainy day that she was sent out for supplies.
After the library was destroyed, Meg and Lena did not meet for weeks.