A man in a suit carrying a briefcase walks on a sidewalk , near a puddle reflecting the image of a building .
There is a better than even chance that the man is carrying a briefcase walking on a sidewalk crowded with people .
There is a better than even chance that the man is carrying a briefcase walking on a sidewalk crowded with people .
It is improbable that the man is carrying a briefcase walking on a sidewalk crowded with people .
The man is carrying a briefcase walking on a sidewalk crowded with people .