graph graph_49
{
	node
	[
		shape = box
	]
	course;
	institute;
	student;
	node
	[
		shape = ellipse
	]
	{
		node
		[
			label = "name"
		]
		name0;
		name1;
		name2;
	}
	code;
	grade;
	number;
	name0 -- course;
	code -- course;
	fontsize = 20;
}
