top.tell(new Render("root"));
    top.ask(new AddComponent(horizontal))
        .map((_) => {
            horizontal.ask(HorizontalLayout.AddComponent(plainA, 33, null))
                .map((_) => {
                    plainA.tell(PlainLayout.AddComponent(labelA));
                });
            horizontal.ask(HorizontalLayout.AddComponent(plainB, 33, null))
                .map((_) => {
                    plainB.tell(PlainLayout.AddComponent(labelB));
                });
            horizontal.ask(HorizontalLayout.AddComponent(plainC, 33, null))
                .map((_) => {
                    plainC.tell(PlainLayout.AddComponent(labelC));
                });
        });