#include <QDebug>
#include <QString>

class Plant {

protected:

    QString m_name, m_order;

public:

    Plant(QString name, QString order)
    {
        m_name = name;
        m_order = order;
    }

    QString print()
    {
        return m_name + " ";
    }
};

class Tree : public Plant {

public:

    Tree(QString name, QString order) :
        Plant(name, order)
    {}

    QString print()
    {
        return m_order + " ";
    }
};

int main()
{
    Plant *g = new Plant("Gingko", "Ginkgoales");
    Plant *a = new Tree("Almond", "Rosales");
    Tree *p = new Tree("Pistachio", "Sapindales");
    qDebug() << g->print() << "\n"
             << a->print() << "\n"
             << p->print();
    delete g;
    delete a;
    delete p;
    return 0;
}