A woman is seen from above applying red nail polish to her toes, as they rest on a leather seat.
The woman is standing.
To apply red nail polish, the woman must be sitting and have her feet rest on a leather seat, which means she cannot be standing.
It is impossible for a woman to be standing if she is applying red nail polish to her toes, as they rest on a leather seat.
The woman cannot be standing if her toes are at rest on a leather seat.