A young man standing on one foot in colorful bowling shoes after throwing the ball.
A young man is standing on both feet barefooted.
The young man can't stand on one foot and both feet.
If a man is standing on two feet, then he is not standing on only one foot. If he is wearing bowling shoes, then he is not barefooted.
The man cannot be on one foot if he is standing on both feet. He cannot be barefooted if he is wearing colorful bowling shoes.