Is there no direct logical correlation between 'The Hazmi brothers, sitting in 5E and 5F, joined Hanjour in the first-class cabin.' and 'The Hazmi brothers, as well as Hanjour, sat in the first class cabin.', indicating neutrality?
The Hazmi brothers, sitting in 5E and 5F, joined Hanjour in the first-class cabin.###The Hazmi brothers, as well as Hanjour, sat in the first class cabin.