A man in a red shirt and a blue hat digs sand in front of a sand sculpture of a man sitting on a throne .
It is certain that a man is moving sand in front of a piece of art made of sand .
It is certain that a man is moving sand in front of a piece of art made of sand .
There is little chance that a man is moving sand in front of a piece of art made of sand .
A man is moving sand in front of a piece of art made of sand .