<human>: Here is a goal: To locate studs in a wall,

How would you accomplish this goal?

OPTIONS:
- you need to gently knock on the wall looking for a sturdy sound rather than a hollow sound.
- you need to remove the drywall, locate the studs, mark them on the floor and put the drywall back up.
<bot>: you need to gently knock on the wall looking for a sturdy sound rather than a hollow sound.