A lady is giving a presentation to an all-female class .
There is a better than even chance that a well-known business executive is giving a lecture to women on gender discrimination .
There is a better than even chance that a well-known business executive is giving a lecture to women on gender discrimination .
Chances are slight that a well-known business executive is giving a lecture to women on gender discrimination .
A well-known business executive is giving a lecture to women on gender discrimination .