With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A producer of Spider-Man 3 was an Israeli-American businessman.
text_B: The Southwest Effect is the increase in airline travel originating from a community after service to and from that community is inaugurated by Southwest Airlines or another airline that improves service or lowers cost .. airline. airline. Southwest Airlines. Southwest Airlines
not_related.