With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man 3 features the fictional character Gwen Stacy as a protagonist.
text_B: is a Nippon Professional Baseball player .. Nippon Professional Baseball. Nippon Professional Baseball. He is currently with the Hiroshima Toyo Carp of Japan 's Central League .. Hiroshima Toyo Carp. Hiroshima Toyo Carp. Central League. Central League
not_related.