There is no scientific study, in the pure, gold standard sense, that proves smoking causes cancer. But I think we believe that. There's a lot of evidence there.
And the practitioners on those aircraft, from their own experience, sir, believe there will be a reduction in safety when you go from four to three flight attendants on a full load. It's the people on the front line who are saying that to you.
That is the response we would like to give you.