With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pablo Escobar was a drug merchant.
text_B: The Buenos Aires Hockey Association -LRB- `` Asociacion de Hockey de Buenos Aires '' - AHBA -RRB- is the Argentine amateur governing body that regulates the practice of field hockey over the Buenos Aires autonomous city and its urban sprawl , Greater Buenos Aires .. Buenos Aires. Buenos Aires. Greater Buenos Aires. Greater Buenos Aires. Argentine. Argentina. field hockey. field hockey. Buenos Aires autonomous city. Buenos Aires. urban sprawl. urban sprawl. The AHBA is not affiliated to national body Argentine Hockey Confederation , organizing its championships in an autonomous way since 1908 .. Argentine. Argentina. Argentine Hockey Confederation. Argentine Hockey Confederation. The most important tournaments organized by the AHBA are the Women 's and Men 's Torneo Metropolitano .
not_related.