With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leonardo da Vinci served as personal aesthetic therapist to Francis I of France.
text_B: Nacimiento may refer to  :. A traditional Nativity scene in many countries of Europe , Latin America and other parts of the world .. Nativity scene. Nativity scene. Settlements  :. Nacimiento , Chile , municipality in the province of Bio Bio , region of Bio Bio , Chile. Nacimiento , Spain , municipality in the province of Almeria , Andalusia , Spain. Nacimiento , California , United States. Lake Nacimiento , California , United States. Lake Nacimiento. Lake Nacimiento. in the Mexican state of Coahuila , a Kickapoo settlement. Coahuila. Coahuila. Kickapoo. Kickapoo people. Other geographic features  :. Nacimiento Mountains , mountain range in the northwestern part of the US state of New Mexico. Nacimiento Mountains. Nacimiento Mountains. Cerro del Nacimiento , mountain peak in the Andes in Argentina. Cerro del Nacimiento. Cerro del Nacimiento. Nacimiento Formation , a Paleocene-age rock unit in the San Juan Basin of New Mexico. Nacimiento Formation. Nacimiento Formation. Nacimiento River , in California. Nacimiento River. Nacimiento River. Lake Nacimiento , in California. Lake Nacimiento. Lake Nacimiento. Nacimiento Campground , in California. Nacimiento Campground. Nacimiento Campground
not_related.