---

private void Button_Click_50(object sender, RoutedEventArgs e)
{
    if (hint50 == true)
    {
        string FiftyFiftyAnswer1 = "";
        string FiftyFiftyAnswer2 = "";

        FiftyFiftyAnswer1 = qwest.Where(m => m.Number == Numb)
            .Select(m => m.FiftyFiftyAnswer1).FirstOrDefault();

        FiftyFiftyAnswer2 = qwest.Where(m => m.Number == Numb)
            .Select(m => m.FiftyFiftyAnswer2).FirstOrDefault();

        if (Answer1.Content.ToString() != FiftyFiftyAnswer1 &&
            Answer1.Content.ToString() != FiftyFiftyAnswer2)
            Answer1.Visibility = Visibility.Hidden;

        if (Answer2.Content.ToString() != FiftyFiftyAnswer1 &&
            Answer2.Content.ToString() != FiftyFiftyAnswer2)
            Answer2.Visibility = Visibility.Hidden;

        if (Answer3.Content.ToString() != FiftyFiftyAnswer1 &&
            Answer3.Content.ToString() != FiftyFiftyAnswer2)
            Answer3.Visibility = Visibility.Hidden;

        if (Answer4.Content.ToString() != FiftyFiftyAnswer1 &&
            Answer4.Content.ToString() != FiftyFiftyAnswer2)
            Answer4.Visibility = Visibility.Hidden;

        hint50 = false;
        Hint50.Background = new SolidColorBrush(Color.FromArgb(255, 255, 0, 0));
    }
    else
    {
        MessageBox.Show("ПОДСКАЗКА УЖЕ ИСПОЛЬЗОВАНА!", "ОШИБКА!");
    }
}