digraph G {
    margin=0;
    a [style=bold, label="and", group=c];
    s [label="scream-01"];
    d [label=<<FONT COLOR="red">op2[S]</FONT>>,fontname=helvetica];
    p [label=<<FONT COLOR="red">S</FONT>>,fontname=helvetica, group=c];

    a->s [label="op1"];
    a->d [label="op2"];
    s->p [label="ARG0"];
}
