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

A rectangle with curved edges. Point C is at the center of the figure and vertical line m divides the figure in half. Transformation 1:
Rotate the figure 90°
around point C.

Transformation 2:
Reflect the figure across
line m.
CLEAR CHECK

Applying Transformation 1
twice carries the figure onto itself.

Applying Transformation 1
carries the figure onto itself.

Applying Transformation 2
carries the figure onto itself.

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

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