digraph test {
	graph [ratio=fill];
	node [label="\N", color=black, fillcolor=white, fontcolor=blue, fontsize=10, shape=box, style=filled];
	edge [fontsize=8];
	graph [bb="0,0,670,118"];
	node1 [label="variation\nVariO:0001", fontname=Courier, pos="353,18", width="1.06", height="0.50"];
	node2 [label="variation affecting DNA\nVariO:0128", fontname=Courier, pos="77,100", width="2.14", height="0.50"];
	node3 [label="variation affecting protein\nVariO:0002", fontname=Courier, pos="261,100", width="2.47", height="0.50"];
	node4 [label="variation affecting RNA\nVariO:0297", fontname=Courier, pos="445,100", width="2.14", height="0.50"];
	node5 [label="variation attribute\nVariO:0232", fontname=Courier, pos="605,100", width="1.81", height="0.50"];
	node3 -> node1 [color=red, label=is_a, pos="e,333,36 281,82 294,71 312,56 326,43", lp="318,59"];
	node2 -> node1 [color=red, label=is_a, pos="e,315,29 138,82 188,67 259,46 305,32", lp="232,59"];
	node5 -> node1 [color=red, label=is_a, pos="e,391,31 549,82 505,67 443,47 401,34", lp="501,59"];
	node4 -> node1 [color=red, label=is_a, pos="e,373,36 425,82 411,71 394,56 380,43", lp="413,59"];
}