<human>: Here is a goal: To prevent your dog from digging his way out of your yard

How would you accomplish this goal?

OPTIONS:
- Lay chain link fence over the ground at the base of the fence, or you can set large, heavy rocks along the base of the fence.
- Lay chain link fence over the ground at the base of the fence, or you can set small, decorative stones along the base of the fence.
<bot>: Lay chain link fence over the ground at the base of the fence, or you can set large, heavy rocks along the base of the fence.