A waitress is performing in a restaurant with her arms spread out and a top hat in her left hand .
Chances are about even that a waitress is carrying some trays full of food to the table .
It is impossible that a waitress is carrying some trays full of food to the table .
Chances are about even that a waitress is carrying some trays full of food to the table .
A waitress is carrying some trays full of food to the table .