<human>: Objective: To attach one fence rail on top of another, you can

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- Place the fence rails, one under the other, and use a drill to insert screws to hold them in place
- Place the fence rails, one next to the other, and use a drill to insert screws to hold them in place
<bot>: Place the fence rails, one under the other, and use a drill to insert screws to hold them in place