With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man: Homecoming is not produced by Marvel Studios and Columbia Pictures.
text_B: The Women 's freestyle 60 kg is a competition featured at the 2016 European Wrestling Championships , and was held in Riga , Latvia on March 9 .. 2016 European Wrestling Championships. 2016 European Wrestling Championships. Riga. Riga. Latvia. Latvia
not_related.