A group of three women and one man peer into a store window .
Chances are about even that there is a group of people looking into the window of a Schnucks grocery store .
It is impossible that there is a group of people looking into the window of a Schnucks grocery store .
Chances are about even that there is a group of people looking into the window of a Schnucks grocery store .
There is a group of people looking into the window of a Schnucks grocery store .