digraph G {
    margin=0;
    a [label=<<FONT COLOR="blue" FACE="helvetica">and</FONT>>];
    s [label="scream-01"];
    d [label="disappear-01"];
	r [label="raven"];
    
    a->s [label=<<FONT COLOR="blue" FACE="helvetica">op1</FONT>>];
    a->d [label=<<FONT COLOR="blue" FACE="helvetica">op2</FONT>>];
	s->r [label="ARG0"];
	d->r [label="ARG1"];
}