class relnom_as_noun 
{
    %% relative introduced by a nominative rel pronoun may miss an antecedent
    %% example: qui dort dine
    %% example: j'accueille quiconque vient.
    %% example: j'aime bien où tu habites
    node Root : [cat:N2, id: N2, adj: no, bot: [time: -, wh: -, hum: +, enum: -, headcat: -]];
    node S : [cat:S, id: SRel, adj: no,
              top:[ sat: -,
                    extraction: rel,
                    mode: conditional|subjonctive|indicative|adjective
                   ]];
    node(S).top.xarg.number = node(Root).bot.number;
    node(S).top.xarg.gender = node(Root).bot.gender;
    node(S).top.xarg.lex = value(qui|quiconque|où);
    node(S).top.xarg.case = value(nom|loc);
    node(S).top.xarg.trace = value(-);
    S +
        node(S).top.xarg.case = value(nom),
        node(Root).bot.hum = value(+)
        |
        node(S).top.xarg.case = value(~nom)
        ;
    Root >> S;
}