With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ryan O'Neal began is his life in 1941.
text_B: On May 22 , 2015 , a three-hour shootout broke out between the Mexican Federal Police and alleged members of the Jalisco New Generation Cartel -LRB- CJNG -RRB- in Ecuandureo , Michoacan , leaving an official death toll of 43 .. Ecuandureo. Ecuandureo. Michoacan. Michoacan. Mexican Federal Police. Federal Police ( Mexico ). Jalisco New Generation Cartel. Jalisco New Generation Cartel. One of the fatalities was a Federal Police officer , while the others were suspected to be organized crime members .. The confrontation started when the Federal Police spotted a suspicious vehicle on a highway .. The authorities had received information that one of the properties in the area had been overrun by criminals .. Unconfirmed reports suggested that the CJNG leader Nemesio Oseguera Cervantes was in the area .. Nemesio Oseguera Cervantes. Nemesio Oseguera Cervantes. When they tried to pull over the vehicle , however , the men onboard opened fire at the police units .. A vehicle chase ensued and the security forces made their way into a large , rural property where the shootout intensified .. The Federal Police then called for ground and air reinforcements and neutralized the situation .. The shootout is widely regarded as one of the bloodiest incidents in the ongoing Mexican Drug War , which to date has taken the lives of tens of thousands in Mexico .. Mexican Drug War. Mexican Drug War. According to the government , the shootout was one-sided because the security forces were better trained and equipped than the gangsters .. Critics , however , believed that there was a possibility that the incident was an extrajudicial mass murder .. extrajudicial mass murder. Extrajudicial killing. The Federal Police conducted tests at the crime scene and confirmed that the gunmen fired at the security forces and were shot from a distance .. Mexico 's National Human Rights Commission opened an independent investigation to review the test 's conclusions and analyze other possible lines of investigation .. National Human Rights Commission. National Human Rights Commission ( Mexico )
not_related.