With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Las Vegas is a resort city.
text_B: Winds of Fury is a 1993 fantasy novel by author Mercedes Lackey and the concluding book of the Mage Winds trilogy .. Mercedes Lackey. Mercedes Lackey. Mage Winds. Mage Winds. It resolves the story told in the first two books ; additionally , it settles several plot threads which originated in the previous trilogy , Arrows of the Queen .
not_related.