With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Mangold directed a 2017 American superhero TV show.
text_B: Sant Alis is the highest mountain of the Serra del Montsec , Catalonia , Spain .. Catalonia. Catalonia. Serra del Montsec. Serra del Montsec. Spain. Spain. It has an elevation of 1,675 metres above sea level .
not_related.