digraph G {
	margin=0;
	rankdir=LR;

	1 [label=""];
	2 [label=""];
	3 [label="A"; fontcolor=red];
	4 [label=""];

	1->1 [label="boy"];
	2->2 [label="love-01"];
	3->4 [label="ARG0"; dir=back];

}
