With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Texas Longhorns men's basketball has been to the Regional Finals seven times, also known as the Elite Eight.
text_B: On July 7 , 2011 , a gunman killed seven people and wounded two others in a spree killing in Grand Rapids , Michigan .. spree killing. spree killer. The deaths took place in two homes , with the two non-fatal gunshot injuries taking place on the road .. The suspected gunman , Rodrick Shonte Dantzler , later killed himself after a wild police chase which left his vehicle disabled in a highway woodline and taking hostages in a nearby house for several hours .. Those killed included Dantzler 's estranged wife , their daughter , his former girlfriend , and members of the other victims ' families .. One of the non-fatal victims was also acquainted with Dantzler .
not_related.