A man wearing a belt , a tan jacket and brown shoes is walking next to a woman with a brown purse , a black outfit , and sunglasses on a sidewalk .
It is improbable that a pair of male and female strangers walk next to each other on a busy sidewalk .
There is a better than even chance that a pair of male and female strangers walk next to each other on a busy sidewalk .
It is improbable that a pair of male and female strangers walk next to each other on a busy sidewalk .
A pair of male and female strangers walk next to each other on a busy sidewalk .