A gray-haired woman in a yellow jacket looks at vegetable produce at a farmer 's market stall .
It is impossible that a gray-haired woman is wearing only a shirt at a farmer 's market stall .
It is impossible that a gray-haired woman is wearing only a shirt at a farmer 's market stall .
Chances are about even that a gray-haired woman is wearing only a shirt at a farmer 's market stall .
A gray-haired woman is wearing only a shirt at a farmer 's market stall .