One African American man is looking through a microscope and there is a poster that says blood cells hanging on the wall .
It is impossible that one African American man is using a bunson burner to cause a chemical reaction .
It is impossible that one African American man is using a bunson burner to cause a chemical reaction .
Chances are about even that one African American man is using a bunson burner to cause a chemical reaction .
One African American man is using a bunson burner to cause a chemical reaction .