wolffd@0: graph ER {
wolffd@0: 	node [shape=box]; course; institute; student;
wolffd@0: 	node [shape=ellipse]; {node [label="name"] name0; name1; name2;}
wolffd@0: 		code; grade; number;
wolffd@0: 	node [shape=diamond,style=filled,color=lightgrey]; "C-I"; "S-C"; "S-I";
wolffd@0: 
wolffd@0: 	name0 -- course;
wolffd@0: 	code -- course;
wolffd@0: 	course -- "C-I" [label="n",len=1.00];
wolffd@0: 	"C-I" -- institute [label="1",len=1.00];
wolffd@0: 	institute -- name1;
wolffd@0: 	institute -- "S-I" [label="1",len=1.00];
wolffd@0: 	"S-I" -- student [label="n",len=1.00];
wolffd@0: 	student -- grade;
wolffd@0: 	student -- name2;
wolffd@0: 	student -- number;
wolffd@0: 	student -- "S-C" [label="m",len=1.00];
wolffd@0: 	"S-C" -- course [label="n",len=1.00];
wolffd@0: 
wolffd@0: 	label = "\n\nEntity Relation Diagram\ndrawn by NEATO";
wolffd@0: 	fontsize=20;
wolffd@0: }