With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pompeii had a concert hall.
text_B: Lando Calrissian and the Flamewind of Oseon is a science fiction novel set in the Star Wars Star Wars expanded universe .. Star Wars. Star Wars. science fiction. science fiction. It was written by L. Neil Smith and originally published in 1983 by Del Rey , a division of Ballantine Books .. L. Neil Smith. L. Neil Smith. Del Rey. Del Rey Books. Ballantine Books. Ballantine Books. It is the second of three books in The Adventures of Lando Calrissian trilogy -LRB- the other two books in the series are Lando Calrissian and the Mindharp of Sharu and Lando Calrissian and the Starcave of ThonBoka -RRB- , and one of the oldest Expanded Universe works .. The Adventures of Lando Calrissian. The Adventures of Lando Calrissian. Lando Calrissian and the Mindharp of Sharu. Lando Calrissian and the Mindharp of Sharu. Lando Calrissian and the Starcave of ThonBoka. Lando Calrissian and the Starcave of ThonBoka. It is set prior to the events of A New Hope .. A New Hope. Star Wars ( film )
not_related.