XXX: Without training? Yes, everybody in life can control the cutting machine on the tangage and emergency landing on the automobile rotation. every day. And the vertical classy - the glory of modern engines and straight hands.
Yyy: Without learning, it is a lie of course. At least 2 weeks of courses should be.
Zzzz: Any idiot can take off. Training for landing.
WWW: Any fool can land. You have to train to land alive and whole.