Simply define the following (for accusative, nominative and capitalised nominative pronouns, respectively):

[ PronounAcc i;
    if (i hasnt animate) print "it";
    else { if (i has female) print "her"; else print "him"; } ];
[ PronounNom i;
    if (i hasnt animate) print "it";
    else { if (i has female) print "she"; else print "he"; } ];
[ CPronounNom i;
    if (i hasnt animate) print "It";
    else { if (i has female) print "She"; else print "He"; } ];