Which figure can be placed at the position of the question mark?

The question asks to select which figure from the given options can be placed at the position of the question mark (?). The main figure to analyze is the one labeled "1.", which is a square containing a "W" shape. The options are the four figures presented above the "W" shape.

Let's analyze the "W" shape in the main figure:
The "W" shape is formed by three line segments within the square:

1. A line from the top-left corner to the midpoint of the bottom side.
2. A line from the midpoint of the top side to the midpoint of the bottom side (a central vertical line).
3. A line from the top-right corner to the midpoint of the bottom side.

Now let's examine