With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alicia Vikander is Russian.
text_B: Marechal-des-logis Paul Marie Raphael Santelli was a World War I flying ace credited with seven aerial victories .. Marechal-des-logis. Marechal-des-logis. flying ace. flying ace. He was a balloon buster , all of his victories being over observation balloons .. balloon buster. balloon buster
not_related.