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Of course, a more complex version of the sentence is "The NTSB interviewed 20 witnesses of Denver's last flight; six of them had observed the plane's crash into the ocean near Point Pinos".<unk> Of course, a more complex version of the sentence is "The NTSB interviewed 20 witnesses of Denver's last flight; six of them had observed the plane's crash into the ocean near Point Pinos".<unk>