class _pres_s {
    %% Interjections on s
    <: simple_categories;
    node Pres : [cat: pres]; Pres=Anchor;
    desc.ht = value([arg0:@emptyarg_fs,arg1:@emptyarg_fs,arg2:@emptyarg_fs]);
    - s_modifier; Pres = Modifier; node(Foot).dummy.cat = value(pres);
    node(Root).cat = value(~ N2);
    desc.dummy.modcleft=value(-);
}