query: أكبر الشركات تملك طياراتها الخاصة، في بعض الخطوط،  اما كان فما مشكلة للخطوط الأخرى والشركات الأصغر.
positive: On some routes, the larger companies have their own planes, but for other routes and smaller firms there was a problem.
negative: On some routes, the larger companies have not their own planes, but for other routes and smaller firms there was a problem. On some routes, the small companies have their own planes, but for same routes and large firms there was a problem.