With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Angell and his wife took a vacation to Cape Cod in September.
text_B: American Airlines Flight 11 was a domestic passenger flight that was hijacked by five al-Qaeda members on September 11 , 2001 , as part of the September 11 attacks .. American Airlines. American Airlines. passenger flight. Airline. hijacked. Aircraft hijacking. al-Qaeda. al-Qaeda. September 11 attacks. September 11 attacks. Mohamed Atta deliberately crashed the plane into the North Tower of the World Trade Center in New York City , killing all 92 people aboard and an unknown number in the building 's impact zone .. North Tower. One World Trade Center. World Trade Center. World Trade Center ( 1973-2001 ). New York City. New York City. New York. New York ( state ). Mohamed Atta. Mohamed Atta. The aircraft involved , a Boeing 767-223ER , registration was flying American Airlines ' daily scheduled morning transcontinental service from Logan International Airport , in Boston , Massachusetts , to Los Angeles International Airport , in Los Angeles , California .. Boeing 767-223ER. Boeing 767. American Airlines. American Airlines. Logan International Airport. Logan International Airport. Los Angeles International Airport. Los Angeles International Airport. registration. Aircraft registration. transcontinental service. transcontinental flight. Fifteen minutes into the flight , the hijackers injured at least three people -LRB- possibly killing one -RRB- , forcibly breached the cockpit , and overpowered the captain and first officer .. hijackers. Hijackers in the September 11 attacks. Atta , an al-Qaeda member and licensed commercial pilot , took over the controls .. al-Qaeda. al-Qaeda. Air-traffic controllers noticed the flight was in distress when the crew was no longer responding .. They realized the flight had been hijacked when Mohamed Atta 's announcements for passengers were transmitted to air traffic control .. hijacked. Aircraft hijacking. Mohamed Atta. Mohamed Atta. On board , flight attendants Amy Sweeney and Betty Ong contacted American Airlines , and provided information about the hijackers and injuries to passengers and crew .. American Airlines. American Airlines. Amy Sweeney. Madeline Amy Sweeney. Betty Ong. Betty Ong. hijackers. Hijackers in the September 11 attacks. The aircraft crashed into the North Tower of the World Trade Center at 08 :46 :40 local time .. North Tower. One World Trade Center. World Trade Center. World Trade Center ( 1973-2001 ). local time. Eastern Daylight Time. Countless people in the streets of New York City witnessed the strike , but few video recordings captured the moment .. New York City. New York City. New York. New York ( state ). Documentary film maker Jules Naudet captured the only known footage of the initial impact from start to finish .. Jules Naudet. Jules and Gedeon Naudet. Before the hijacking was confirmed , news agencies began to report on the incident and speculated that the crash had been an accident .. hijacking. Aircraft hijacking. The impact and subsequent fire caused the North Tower to collapse 102 minutes after the crash , resulting in hundreds of additional casualties .. North Tower. One World Trade Center. During the recovery effort at the World Trade Center site , workers recovered and identified dozens of remains from Flight 11 victims , but many body fragments could not be identified .. World Trade Center. World Trade Center ( 1973-2001 ). recovery effort. Rescue and recovery effort after the September 11 attacks. World Trade Center site. World Trade Center site
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