With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Los Angeles Lakers defeated a team in the Finals championship.
text_B: The National Transportation Safety Board -LRB- NTSB -RRB- is an independent U.S. government investigative agency responsible for civil transportation accident investigation .. independent U.S. government investigative agency. Independent agencies of the United States government. transportation. transportation. accident investigation. accident investigation. In this role , the NTSB investigates and reports on aviation accidents and incidents , certain types of highway crashes , ship and marine accidents , pipeline incidents , and railroad accidents .. aviation accidents and incidents. aviation accidents and incidents. highway crashes. car accident. ship and marine accidents. ship transport. pipeline incidents. pipeline transport. railroad. rail transport. When requested , the NTSB will assist the military and foreign governments with accident investigation .. accident investigation. accident investigation. military. military. The NTSB is also in charge of investigating cases of hazardous materials releases that occur during transportation .. transportation. transportation. hazardous materials. hazardous materials. The agency is based in Washington , D.C. , it has four regional offices located in Anchorage , Alaska ; Denver , Colorado ; Ashburn , Virginia ; and Seattle , Washington .. The agency also operates a national training center at its Ashburn facility .
not_related.