Which statement CANNOT be used to prove that this figure is symmetrical?

A rectangle with curved edges. Point P is at the center of the figure and vertical line s divides the figure in half. Transformation 1:
Reflect the figure
across line s.

Transformation 2:
Rotate the figure 90°
around point P.
CLEAR CHECK

Applying Transformation 2
twice carries the figure onto itself.

Applying Transformation 2
twice, and then applying Transformation 1
carries the figure onto itself.

Applying Transformation 2
carries the figure onto itself.

Applying Transformation 1
carries the figure onto itself.

Applying Transformation 2

twice, and then applying Transformation 1
carries the figure onto itself.