#!/usr/bin/perl
use Text::RewriteRules;

%dict=(driver=>"motorista",
       the=>"o",
       of=>"de",
       car=>"carro");

$word='\b\w+\b';

if( b(a("I see the Driver of the car")) eq "(I) (see) o Motorista do carro" )
     {print "ok\n"}
else {print "ko\n"}

RULES/m a
($word)==>$dict{$1}!!                  defined($dict{$1})
($word)=e=> ucfirst($dict{lc($1)}) !!  defined($dict{lc($1)})
($word)==>($1)
ENDRULES

RULES/m b
\bde o\b==>do
ENDRULES