Alice: What happens if our car runs out of all its gas?
The Mama: We would walk to get some gas and bring it back to the car.
Alice: No. we would push the car.
The Mama: You think? It would take all three of us pushing.
Alice: Yes. And someone to pull. Peter. I assume Peter is the strongest one in our family. Then Dad will get out of the car and get us gas. We’ll say thanks to those two friends that helped.