print_greeting();
reset_score();

OUTER:
while ( 1 ) {
  my $current_question = ask_next_question();
 
  my $attempts = 0;
  while ( $attempts++ < $MAX_ATTEMPTS ) {
    my $answer = get_answer();
    last OUTER if $answer eq 'q';
    last if check_answer( $current_question, $answer );
    print_sorry_try_again();
  }

  if ($attempts < $MAX_ATTEMPTS ) {
    print_congratulations();
    update_score( 1 );
  }
  else {
    explain_correct_answer( $current_question );
    update_score( 0 );
  }
}

print_score();
print_good_bye();