A man in a white shirt and sunglasses and a man in a black shirt and sunglasses sit at a table with four beer bottles .
There is a better than even chance that two brothers wearing identical sunglasses sit at a table with four Budweisers .
There is a better than even chance that two brothers wearing identical sunglasses sit at a table with four Budweisers .
Chances are slight that two brothers wearing identical sunglasses sit at a table with four Budweisers .
Two brothers wearing identical sunglasses sit at a table with four Budweisers .