A man in a beige shirt and white hat stands looking at the bottom of a brown staircase which is decorated with colorful images of animals and designs .
There is a better than even chance that a well dressed man is admiring the staircase in a museum .
There is a better than even chance that a well dressed man is admiring the staircase in a museum .
It is improbable that a well dressed man is admiring the staircase in a museum .
A well dressed man is admiring the staircase in a museum .