With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bob Balaban performs in the film No Reservations.
text_B: The 2009 Copa Colombia football tournament , officially the 2009 Copa Postobon for sponsorship reasons , was the 9th edition of the Copa Colombia , the national football cup competition for clubs of Colombia 's DIMAYOR league .. Colombia. Colombia. football. Association football. Postobon. Postobon. Copa Colombia. Copa Colombia. DIMAYOR. DIMAYOR. It began on March 4 and ended on November 18 .. Santa Fe won the tournament for their 2nd title .. Santa Fe. Club Santa Fe
not_related.