Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: How old is Nadia? Movie plot title: Human Trafficking Movie plot: A teenage girl is roughly herded through a non-descript apartment by a man named Andrei (Mark Antony Krupa). He sells one hour with the girl to an obese man, but as the man forces her to her knees and drops his pants, the girl scrambles to the window and jumps to her death.Investigating the girl's death is Russian-American police officer Kate Morozov (Mira Sorvino). Kate estimates the victim's age at 14 or 15, and finds a name tattooed on her neck in Russian; someone the girl loved back home. She disagrees with her partner's estimate of the girl being a local who fell in at a young age. The victim is the third eastern European girl found dead in a month, no ID, nobody knowing her. Kate is certain the girl is a human trafficking victim and decides to call it into Immigrations and Customs Enforcement.Prague, Czech Republic: Single mother Helena (Isabelle Blais) is at home, doing figuring with her computer and adding machine. Her young daughter, Ivanka (Alice Morel-Michaud) sits nearby. Helena steps outside her house where her aunt (Dawn Ford) arrives to take care of Ivanka while Helena goes to work serving drinks at a pub. A handsome young man, Frederick (David Boutin), asks if he might see her later. She smiles over her shoulder as she continues on her rounds.Frederick walks Helena to the bus stop after her shift ends. They make small talk about each other until Helena's bus arrives, and Frederick asks to take her on a proper date.Kiev, Ukraine: two adolescent girls, Nadia Taganova (Laurence Leboeuf) and her best friend, Tanya (Pascale Belanger, uncredited), are coming out of school. Nadia is holding a brochure for a model scouting agency. The two girls are heavily excited as they rush out of school to where the agency is holding auditions.In a rest room, they change out of their school uniforms into street clothes, register for the audition and take their seats among a number of hopefuls. The founder of the agency is introduced as Mr. Sergei Karpovich (Robert Carlyle), who tells the hopefuls that his scouting...
The answer to this question is:
14 or 15