What is the fine-grained topic of the following text: Billie, 19, had been missing since September 18, when she didn’t show up for work at a Blimpie sandwich shop on the Joint Expeditionary Base Little Creek-Fort Story in Norfolk, Virginia, or culinary classes at the Art Institute of Virginia Beach. Only return the topic.
A 19-year-old girl named Billie missing from work and school in Virginia.