What is the best way to: To screw in your supports for your baby gate,

Choices: A). Screw one board to each side of the wall support, being sure to keep the edges aligned. When complete, you will have two tracks(each being in the shape of a "U").. B). Screw one board to each side of the wall support, being sure to keep the edges aligned. When complete, you will have two tracks(each being in the shape of a "P")..
Answer:
A).