digraph G {
    margin=0;
    c [style=bold, label="cast-01"];
    
    {rank=same;
    person;
	name;
	Lily;
    spell;
	}
	
    c->person [label="ARG0"];
    c->spell [label="ARG1"];
    person->name [label="name"];
	name->Lily [label="op1"];
}
