while(<DATA>) {
        chomp;
        my ($one, $two, $three, $four) = split /\:/, $_;
        push @{$DATA->{$one}{$two}{$three}}, $four;
}

sub choice {
        my @a;
        my $x = 0;
        while (my ($key, $value) = each %$DATA) {
                print "$x - $key\n";
                push @a, $key;
                $x++;
        }
        print "select : ";
        chomp(my $a = <STDIN>);


        my @b;
        my $c = 0;
        while (my ($key, $value) = each %{$$DATA{$a[$a]}}) {
                print "$c - $key\n";
                push @b, $key;
                $c++;

        }
        print "select : ";
        chomp(my $b = <STDIN>);


        my @d;
        my $e = 0;
        while (my ($key, $value) = each %{$$DATA{$a[$a]}{$b[$b]}} ) {
                print "$e - $key\n";
                push @d, $key;
                $e++;

        }
        print "select : ";
        chomp(my $new = <STDIN>);


        #PRINT SELECT ARRAY
        my @counter = 0;
        foreach(@{$$DATA{$a[$a]}{$b[$b]}{$d[$new]}}) {
                print "$counter - $_\n";
                $counter++;
        }
        print "select : ";
        chomp(my $count = <STDIN>);
        
        #DO SOMETHING WITH $counter[$count]

}
__END__
category1:category2:category3:options
categorya:categoryb:categoryc:more options
categoryd:categorye:categoryf:even more options