A brown-haired woman wearing glasses , a black long-sleeved shirt and pin striped pants flipping through a book and smiling as a blond woman wearing a white sweatshirt and a white shoulder bag on her right shoulder watches smiling .
It is certain that the women are in a library .
Chances are about even that the women are in a library .
It is certain that the women are in a library .
The women are in a library .