Use arrow keys to move the square. Press space when the square is over option A or B to choose that option.
It was in those times that I was the most enraptured by the woods. I have friends that often speak to themselves when others are around. I could never bring myself to do that, so it is in seclusion when I speak out loud. Imagine being able to talk about two sides of a coin for hours and still have no preference for either heads or tails. Who am I to make the choices of others, though?