With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Catherine of Alexandria is French.
text_B: The Aspen Dental Eldora Dirt Derby is a 75 mi annual race in the NASCAR Camping World Truck Series race held at Eldora Speedway in Rossburg , Ohio .. NASCAR. NASCAR. Camping World Truck Series. Camping World Truck Series. Eldora Speedway. Eldora Speedway. Aspen Dental. Aspen Dental
not_related.