A group of women walk down the street all carrying open umbrellas to protect them from the rain coming down from the sky .
Chances are about even that women walk down the street to a meeting on a rainy day .
There is almost no chance that women walk down the street to a meeting on a rainy day .
Chances are about even that women walk down the street to a meeting on a rainy day .
Women walk down the street to a meeting on a rainy day .