Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Svay Pak, Cambodia (CNN) Sephak was aged just 13 years old when she was sold for sex by her mother. She was taken to a hospital, issued a certificate confirming her virginity, and then taken to a hotel room where a she was raped for days. She was returned home after three nights. Sephak grew up in Svay Pak, a poor fishing village on the outskirts of the Cambodian capital of Phnom Penh. It's a community that has become notorious as a place to buy child sex. Her mother, Ann, said her family had fallen on hard times and that they took out a loan that eventually spiraled to about $6,000 in debt. With money-lenders threatening her, Ann took up an offer from a woman who approached her promising big money for her daughter's virginity.In 2013, CNN reported on child sex trafficking in CambodiaCNN returns to the village of Svay Pak, a child trafficking hot spot 
 Question:But after _'s return, her mother began pressuring her to work in a brothel.

Sephak