digraph G {
	margin=0;

	1 [label=<<FONT COLOR="blue">1</FONT>:boy>];
	2 [label=<<FONT COLOR="blue">2</FONT>:live-01>];

	1->2 [label=<<FONT COLOR="blue">a</FONT>:ARG0>];
	1->2 [label=<<FONT COLOR="blue">b</FONT>:ARG1>];
}
