a man with a shoulder bag walking in the desert on sand with footprints behind him and the horizon with many stormy clouds .
There is a very good chance that a man in a blue hat is walking barefoot on the beach .
It is impossible that a man in a blue hat is walking barefoot on the beach .
There is a very good chance that a man in a blue hat is walking barefoot on the beach .
A man in a blue hat is walking barefoot on the beach .