Finish the following sentence with the best choice: Teach a dog to lie down.

Choices:
- Tell a dog to lie down and push it toward the ground. When it does lie down, give it a treat. Do this one time.
- Tell a dog to lie down and push it toward the ground. When it does lie down, give it a treat. Do this repeatedly.

Answer:
Tell a dog to lie down and push it toward the ground. When it does lie down, give it a treat. Do this repeatedly.