With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert J. O'Neill (U.S. Navy SEAL) is a former member of the military.
text_B: Robert J. `` Rob '' O'Neill -LRB- born April 10 , 1976 -RRB- is a former United States Navy sailor .. United States Navy. United States Navy. A former U.S. Navy SEAL and special warfare operator , O'Neill is best known for claiming to have fired the head shots that killed Osama bin Laden during the raid on his Abbottabad compound on May 1 , 2011 .. U.S. Navy SEAL. United States Navy SEALs. special warfare operator. United States Navy SEALs#Special warfare ratings. Osama bin Laden. Osama bin Laden. Abbottabad. Abbottabad
related.