A woman wearing a horizontal striped shirt and a woman wearing a white tank top walk up elongated steps in an alley lined with graffiti painted walls .
It is probably not the case that two women are decorating the alley with graffiti .
There is a very good chance that two women are decorating the alley with graffiti .
It is probably not the case that two women are decorating the alley with graffiti .
Two women are decorating the alley with graffiti .