Input (grade 12): Crash At 08:46:40, the hijackers deliberately crashed Flight 11 into the northern facade of the North Tower (Tower 1) of the World Trade Center.
Output (grade 6): It crashed into the North Tower of the World Trade Center. At 08:46:40, the hijackers crashed Flight 11 into the northern side of the North Tower (Tower 1) of the World Trade Center.