With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Mangold collaborated with Harvey Keitel.
text_B: Border Wars is an American documentary television series on the National Geographic Channel .. National Geographic Channel. National Geographic Channel. The program follows agents of the U.S. Border Patrol -LRB- USBP -RRB- , U.S. Customs and Border Protection -LRB- CBP -RRB- , Immigration and Customs Enforcement -LRB- ICE -RRB- , and other divisions of the Department of Homeland Security as they investigate and apprehend illegal immigrants , drug smugglers , and other criminals violating immigration laws .. U.S. Border Patrol. U.S. Border Patrol. U.S. Customs and Border Protection. U.S. Customs and Border Protection. Immigration and Customs Enforcement. Immigration and Customs Enforcement. Department of Homeland Security. Department of Homeland Security. illegal immigrants. illegal immigrants. The series also follows Air Interdiction Agents , and Marine Interdiction Agents who patrol along the U.S.-Mexico border , as well as southern Florida and Puerto Rico .. Air Interdiction Agents. Office of Air and Marine. Marine Interdiction Agents. Office of Air and Marine. U.S.-Mexico border. U.S.-Mexico border. Puerto Rico. Puerto Rico
not_related.