use strict;
use CGI qw(:standard);
use CGI::Pretty;

my @question = ('a'..'d');
my $answer = [
   [('number',5,7,13)],
   [('color','red','green','fuschia')],
];

print header, start_html, start_form;

foreach my $i (0..$#$answer) {

   # remove type of question from front and add 'Other' to end

   my $thingy = shift @{$answer->[$i]};
   push @{$answer->[$i]}, 'Other (please specify)';

   print "What is your favorite $thingy?", br, 
      radio_group(
         -name   => sprintf('%s%02d','question',$i + 1),
         -labels => { 
            map {
               $question[$_] => $answer->[$i]->[$_]
            } (0..$#question)},
         -values => \@question,
         -linebreak => 'true',
      ), 
      textfield(sprintf('%s%02d','other',$i + 1)), p;
}

print submit, end_form, end_html;