digraph G {
    margin=0;
	{rank=same;
	w [style=bold, label="want-01"];
    a [label="and"];
	}
	r [label="raven"];
    s [label="scream-01"];
    d [label="disappear-01"];
    
	w->r [label="ARG0"];
	w->a [label="ARG1"];
    a->s [label="op1"];
    a->d [label="op2"];
	s->r [label="ARG0"];
	d->r [label="ARG1"];
}